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International Journal of Managing Projects in Business

ISSN : 1753-8378

Article publication date: 5 September 2017

Barnes’ Iron Triangle was one of the first attempts to evaluate project success based on time, cost and performance, which were portrayed as interdependent dimensions. Over time, these criteria were expanded and especially criteria taking the satisfaction of stakeholder groups into account are becoming more and more popular. The purpose of this paper is to find out whether specific patterns for the selection of project success criteria across various fields of applications emerged which has not been regarded in literature before. Furthermore, the authors seek to identify of additional key factors influencing project success assessment next to the choice of project success criteria.

Design/methodology/approach

The paper uses a review of recent literature published in academic journals, in standard references and in widespread project management frameworks (Organisational Competence Baseline, PRINCE2 and PMBoK Guide).

The findings show that Barnes’ ideas are an integral part of all approaches investigated in the study. Additionally, the relevance of the so-called “soft criteria” related to the satisfaction of stakeholder groups, could be substantiated. However, the authors found no indications that patterns for the selection of project success criteria have emerged across various fields of applications. Factors influencing project success assessment are not taken into account in the examined articles in a systematic manner. This motivates for further research in this field.

Research limitations/implications

Access limitations, papers not yet digitally available or the interpretations have an impact on the results.

Practical implications

For appropriate project assessment the sound and well-rounded selection of hard and soft criteria and the consideration that not the field of application, but influencing factors yet to be analysed influence the selection of project success criteria are crucial. Project management professionals should choose the criteria suitable for their projects individually on a project-by-project basis.

Originality/value

This paper reveals that no patterns have so far been developed to assess project success in various fields of application. Furthermore, factors influencing project success assessment are not considered in a systematic manner.

  • Project success assessment
  • Project success criteria
  • Stakeholder satisfaction

Albert, M. , Balve, P. and Spang, K. (2017), "Evaluation of project success: a structured literature review", International Journal of Managing Projects in Business , Vol. 10 No. 4, pp. 796-821. https://doi.org/10.1108/IJMPB-01-2017-0004

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Peer-reviewed

Research Article

How do project managers’ competencies impact project success? A systematic literature review

Roles Conceptualization, Supervision, Writing – review & editing

* E-mail: [email protected]

Affiliation ESPAE Graduate School of Management, Escuela Superior Politécnica del Litoral (ESPOL), Guayaquil, Ecuador

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Roles Formal analysis, Methodology, Writing – original draft, Writing – review & editing

Roles Investigation, Methodology, Software, Writing – original draft

Roles Conceptualization, Formal analysis, Writing – review & editing

Roles Writing – review & editing

  • Paola Ochoa Pacheco, 
  • David Coello-Montecel, 
  • Michelle Tello, 
  • Virginia Lasio, 
  • Alfredo Armijos

PLOS

  • Published: December 7, 2023
  • https://doi.org/10.1371/journal.pone.0295417
  • Peer Review
  • Reader Comments

Fig 1

Despite the existence of systematic literature reviews focused on examining the factors contributing to project success, there remains a scarcity of reviews addressing the relationship between the project managers’ competencies and project success. To fill this gap in the literature, this review aimed to evaluate peer-reviewed articles, published between 2010 and 2022, and analyze the impact of project managers’ competencies on project success. The Web of Science, Scopus, ScienceDirect, and ProQuest electronic databases were first consulted in September 2021, with an update in August and October 2022. A total of 232 titles were analyzed. Ten articles met the criteria and were fully reviewed. A content analysis and a citation network were carried out to analyze the included articles. The analysis revealed that the existing literature has primarily explored the influence of competencies from the personal and social dimensions, such as leadership, communication, and emotional intelligence, on project success. Conversely, competencies from other dimensions have received less attention in the literature. In addition, this review contributes to the literature by providing a holistic categorization of competencies associated with project success and examining and organizing project success criteria into three dimensions.

Citation: Ochoa Pacheco P, Coello-Montecel D, Tello M, Lasio V, Armijos A (2023) How do project managers’ competencies impact project success? A systematic literature review. PLoS ONE 18(12): e0295417. https://doi.org/10.1371/journal.pone.0295417

Editor: Jamshid Ali, University of Tabouk: University of Tabuk, SAUDI ARABIA

Received: July 19, 2023; Accepted: November 21, 2023; Published: December 7, 2023

Copyright: © 2023 Ochoa Pacheco et al. This is an open access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Data Availability: All data are available either within the manuscript (Tables 1 , 2 , 3 , 4 ) or as supplementary files . Hyperlinks are provided within the manuscript in the reference list.

Funding: The authors received no specific funding for this work.

Competing interests: The authors declare no conflict of interest.

1. Introduction

The profound economic, technological, and social changes experienced in recent years [ 1 , 2 ] have compelled organizations to devise strategies and implement initiatives to adapt to uncertain environments [ 3 ]. Projects allow organizations to face these challenges by leveraging their expertise and capabilities to deliver solutions aligned with business objectives [ 4 ]. Project management (PM) has been acknowledged as a valuable discipline for managers and professionals implementing strategic organizational transformations [ 1 ]. Given the shortage of qualified talent to execute strategic initiatives and drive change [ 5 ], the project managers’ (PMGs) competencies have garnered significant attention from scholars [ 6 – 11 ] and PM institutions [ 12 , 13 ]. Consequently, a substantial body of literature has devoted considerable effort to delineating the competencies that have the potential to enhance projects’ positive outcomes [ 14 – 18 ].

There has been a growing interest in exploring the individual and organizational factors contributing to project success (PS). At the individual level, the PMGs’ leadership style [ 19 ], job satisfaction [ 20 ], trust [ 21 ], job crafting [ 22 ], and work-family conflict [ 23 ], among other factors have been associated with PS. At the organizational level, scholars have highlighted that PS can be influenced by innovative climate [ 24 ], organizational culture [ 25 ], cultural diversity [ 26 ], governance [ 27 ], knowledge sharing and perceived trust and cohesion of the team [ 28 , 29 ], among others.

Despite the existence of systematic literature reviews (SLRs) that summarize the available evidence regarding factors associated with PS [ 30 ], there remains a scarcity of SLRs focusing on PMGs’ competencies [ 31 , 32 ] and their impact on PS. Only a limited number of SLRs [ 33 ] have been dedicated to identifying the competencies essential for achieving PS. However, to the best of our knowledge, an SLR focused on analyzing the relationship between PMGs’ competencies and PS has not been conducted before. To fill this gap in the literature, this SLR analyzes the existing evidence regarding the relationship between PMGs’ competencies and PS. Therefore, the present SLR was designed to address the following research questions: (RQ1) Which PMGs’ competencies are the most examined in the existing literature? (RQ2) Which success criteria are the most considered when measuring PS in the existing literature? (RQ3) Which PMGs’ competencies have a relationship with PS?

This SLR contributes to the literature on the PM discipline in four ways. Firstly, it fills a gap in the existing literature by employing the SLR methodology to comprehensively synthesize the available evidence from published empirical studies concerning the relationship between PMGs’ competencies and PS. Secondly, it employs a thematic analysis and a holistic perspective to categorize the PMGs’ competencies associated with PS. This methodological approach provides a comprehensive framework for understanding the diverse competencies relevant to PS. Thirdly, it offers an insightful analysis of a graphical representation that showcases the primary authors and institutions that have significantly influenced the conceptualization of PMGs’ competencies. Lastly, it examines the criteria utilized for measuring PS in the included articles and organizes them into three dimensions, enhancing the understanding of the multifaceted nature of PS assessment. By addressing these aspects, this SLR contributes to advancing knowledge in PM.

The subsequent sections of this paper are structured as follows. Section 2 presents the conceptualization of PMGs’ competencies and PS. Section 3 outlines the procedure for conducting the SLR, encompassing the search strategy, study selection, data extraction, and analysis. The findings derived from the SLR are presented in Section 4. Lastly, the paper concludes by discussing the implications of the results, highlighting the strengths and limitations of the SLR, and offering final remarks.

2. Competencies and project success

This section provides an overview of the conceptualizations of competencies adopted in the PM literature, and briefly discuss the evolution of the PS dimensions.

2.1. Competencies

Various conceptualizations of competencies have been explored in the existing literature [ 16 , 34 – 38 ]. Within the PM discipline, several studies [ 18 , 39 – 42 ] have aligned with the classical definition proposed by Boyatzis [ 35 ]. According to his framework, competencies encompass the underlying characteristics of an individual, including knowledge, skills, abilities, attitudes, and more, that collectively enable the achievement of high performance. These elements have served as a foundational basis for scholars [ 9 , 43 , 44 ] and institutions [ 12 , 13 ], who have further expanded the scope to develop frameworks tailored explicitly to the domain of PM.

PM institutions, including the Project Management Institute (PMI) and the International Project Management Association (IPMA), have played a crucial role in the definition and development of various standards and frameworks that pertain to the competencies of PMGs [ 45 ]. Several studies [ 16 , 46 , 47 ] have employed these institutional standards to define competencies. The next paragraph provides a concise overview of these institutional frameworks.

According to the IPMA [ 13 ], competencies comprise the practical application of knowledges, skills, and abilities to achieve desired outcomes. This framework recognizes the interconnectedness of these elements, as proficiency entails acquiring relevant knowledge and developing skills that, when put into practice, enable professionals to manage projects effectively and successfully. Similarly, the PMI [ 12 ] defines competencies as the capability to carry out activities within a portfolio, program, or project setting that yield anticipated results based on established and accepted standards. This definition builds upon Boyatzis’ [ 35 ] elements and aligns with the IPMA [ 13 ] perspective, but it also emphasizes compliance by acknowledging the significance of adhering to current regulations and guidelines to meet stakeholders’ expectations. More recently, the PMI [ 48 ] introduced the concept of power skills , which refers to the abilities and behaviors that facilitate working with others and enable project professionals to succeed in the workplace, align projects to organizational objectives, and motivate teams to contribute value to the organization and its customers.

The scholarly literature [ 8 , 37 , 43 , 44 ] has significantly contributed to the conceptualization of the competencies required by PMGs by incorporating key elements from the PM discipline. For instance, Hanna et al. [ 43 ] emphasized the evolving nature of projects. They argued that competencies entail the demonstrated ability to perform project activities within a dynamic environment, leading to expected outcomes based on established standards. Building upon this perspective, Bashir et al. [ 44 ] defined competencies as a meta-ability that integrates skills, aptitudes, and abilities to perform throughout the project life cycle, from initiation to closing, intending to achieve expected results. Moreover, Crawford [ 49 ] posited a close relationship between PMGs’ competencies and PS. Recent literature has underscored the pivotal role of PMGs’ competencies in attaining higher levels of success, enhancing efficiency and effectiveness, and consequently increasing the likelihood of PS [ 8 ].

2.2. Project success

This section provides an overview of the historical development of the conceptualization of PS, tracing its progression from a unidimensional to a more comprehensive and multidimensional concept [ 50 ]. It also aims to identify the dimensions and criteria incorporated into the concept in recent years. Furthermore, it defines PS and examines its distinctions from related concepts, such as project performance and efficiency.

Traditionally, scholars [ 39 , 51 – 53 ] have viewed PS as a combination of success factors and criteria. On the one hand, success factors refer to the significant elements that enhance the probability of achieving success. On the other hand, success criteria comprise a set of measures used to evaluate if the project can be judged as successful [ 39 ]. This SLR specifically focuses on PS criteria.

The measurement criteria for assessing PS have undergone significant evolution to encompass the complex and dynamic nature of projects, resulting in the development of more comprehensive models [ 52 , 54 ]. Initially, PS frameworks primarily focused on efficiency criteria, commonly referred to as the “golden triangle,” “iron triangle,” or “holy trinity,” which encompassed elements such as time, cost, and quality [ 54 ]. Subsequent models expanded to incorporate dimensions of client and project team satisfaction [ 55 ]. From the year 2000 onwards, the emergence of integrative models took into account additional dimensions, including realized benefits to the business or organization [ 56 , 57 ], satisfaction levels of internal and external stakeholders such as end-users, suppliers, and other relevant parties [ 58 ], the impacts on the community and environment [ 59 ], long-term effects like the creation of new markets or product lines [ 56 , 60 ], and investment returns [ 61 ].

The conceptual boundaries between PS, project performance, project efficiency, and PM success have often been blurred. On the one hand, PM success represents a conventional measure of PS that primarily focuses on time, cost, and quality, assessed upon project completion [ 62 , 63 ]. These criteria are also called project efficiency [ 64 ]. On the other hand, project performance refers to the degree to which management practices and processes contribute to the achievement of goals and objectives, as well as the fulfillment of stakeholders’ expectations. It is typically evaluated throughout project execution and upon completion [ 54 , 65 ]. In contrast, PS represents a broader and multidimensional concept encompassing the achievement of goals and objectives determined by key stakeholders after project completion [ 63 , 64 ], as well as the long-term impacts of the project [ 66 ].

The SLR was undertaken to investigate the abovementioned research questions and followed the guidelines outlined in the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). The protocol employed for conducting this SLR is elaborated next.

3.1. Search strategy

The Web of Science, Scopus, ScienceDirect, and ProQuest electronic databases were selected for this SLR. The databases were first consulted in September 2021, with an update in August and October 2022, by searching the following keywords in the title of the article: “competence,” “competency,” “competences,” “competencies,” “skill,” “skills,” and “project success,” without any additional constraint. The search was performed by two of the authors using the following search strings:

  • Scopus database : TITLE ((competence) OR (competency) OR (competences) OR (competencies) OR (skill) OR (skills)) AND TITLE ((project AND success))
  • Web of Science database : TI = (competence OR competency OR competences OR competencies OR skill OR skills) AND TI = (project success)
  • ScienceDirect database : Title: (competence OR competency OR competences OR competencies OR skill OR skills) AND (project success)
  • ProQuest database : title((competence OR competency OR competences OR competencies OR skill OR skills)) AND title((project success))

The metadata of the records (title, authors, document type, source title, author keywords, abstract, publication year, volume number, issue number, and DOI) was exported, compared, and saved on Microsoft Excel spreadsheets to remove duplicated studies and conduct the screening process.

3.2. Study selection

The study selection process comprised several stages to find relevant articles for the review. The initial research resulted in 232 articles. After removing duplicated records, 172 articles were considered for the next stages. The procedures followed by the authors are described below.

3.2.1. Inclusion and exclusion criteria.

The inclusion and exclusion criteria for document selection in this review were based on various factors, including publication timeline, document type, language, study type, population, and context. To be included in this review, documents had to meet the following criteria: (1) they had to be peer-reviewed scholarly research articles, (2) they had to be published between January 2010 and October 2022, (3) they had to be written in English, (4) they had to have a quantitative approach measuring PMG’s competencies as independent variable and PS as a dependent variable, (5) the study population had to consist of PMGs or similar positions (e.g., project director, project leader, senior PMG, department manager, functional manager, team leader), and (6) the research work had to be conducted in professional settings. The study selection process did not impose restrictions on industry, project type, or project size to ensure a broader scope and encompass various perspectives. This approach allowed for the retrieval of peer-reviewed scholarly articles that addressed the research questions of this SLR. Initially, 172 articles were evaluated, and after applying the inclusion criteria, 131 records were removed. Subsequently, 41 research articles remained for the screening process.

3.2.2. Article screening process.

After applying inclusion and exclusion criteria, the retained articles were screened by title, abstract, and full text. This process was conducted by two of the authors independently. The reasons for excluding articles were reported in each step. The exclusion criteria were objectively applied. Studies were excluded if the relationship between PMGs’ competencies and PS was not examined. Each reviewer’s number and list of excluded articles were compared after the screening. In those cases where there was disagreement between reviewers, a third author reviewed the article and discussed it with the other two authors to reach a consensus. Eligible articles were included in the final review. Ineligible articles were formally excluded, with the reasons for exclusion noted.

Out of 41 articles, seven were excluded based on the title. In this step, the main reasons for exclusion were: (a) the study was related to project-based learning ( n = 4), (b) the article was a literature review ( n = 3), and (c) the article was a case of study ( n = 1). The retained 34 articles were screened by abstract. After analyzing the abstract of each article, eight were removed because of the following: (a) the study had a qualitative design ( n = 1), (b) the article was a case of study ( n = 1), (c) the article analyzed only leadership styles ( n = 1), (d) the article was theoretical ( n = 2), (e) the study was not conducted in a PM professional setting ( n = 1), and (f) the article did not analyze the relationship between PMGs’ competencies and PS ( n = 2). Finally, the full-text screening was carried out on 26 articles. Thirteen records were excluded based on the following reasons: (a) PMGs’ competencies were not measured ( n = 3), (b) the article was theoretical ( n = 3), and (c) the study did not analyze the relationship between PMGs’ competencies and PS ( n = 7). After the whole screening process, 13 articles were considered for quality assessment.

3.2.3. Quality assessment.

The quality assessment focused on ten quality criteria statements: (1) The research questions, objectives, or hypothesis were appropriately established; (2) The study design was well described and appropriate for answering the research questions; (3) The sample and population of the study were clearly described, and its size was sufficient to carry out the proposed analysis; (4) The response rate was reported and above 50%; (5) The instruments used for measuring PMGs’ competencies were well described and design-based; (6) The instrument used for measuring PS was well described and design-based; (7) The statistical method was appropriate and sufficiently described to enable them to be repeated; (8) The research questions were adequately answered; (9) The statistical significance of associations was tested and reported; (10) The conclusions were clearly described and based on the results.

The abovementioned criteria were adapted from the Newcastle-Ottawa Quality Assessment Scale (adapted for cross-sectional studies), the Appraisal Tool for Cross-Sectional Studies (AXIS), and similar studies [ 67 ]. Each statement had three rating options coded as “Yes” (1 point), “No” (0 points), and “Partial” (0.5 points). Articles with a score of 7.5 points or higher were included in the final sample. The quality assessment was carried out by two authors independently. The results were compared, and the differences found were discussed to make a final decision. In this phase, three articles were removed. Ten articles were selected to conduct the analysis and answer the research questions of this SLR. Fig 1 summarizes the data extraction procedure through a PRISMA flow.

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https://doi.org/10.1371/journal.pone.0295417.g001

3.3. Data extraction and analysis

Three authors analyzed the articles for data extraction, including sample characteristics, country, setting, independent and outcome variable(s), data analysis procedures, and main findings. These data were synthesized in Table 4 .

A thematic analysis was conducted to identify the dimensions of PMGs’ competencies and PS criteria used in the included articles, following the procedures proposed by Nowell et al. [ 68 ]:

  • Familiarization with the data . The authors read and analyzed the content of each article.
  • Generation of initial code s. Each author generated a list of competencies and PS criteria extracted from each article. The resulting lists were compared and matched to get a final version.
  • Creation of themes . Categories were created by grouping similar competencies and PS criteria. Each of the authors carried out this process individually. The resulting lists were compared and matched to get a final version as in the previous step.
  • Definition and naming of themes . Once the final list of competencies and PS were obtained and the main categories were defined, each category was named based on theoretical foundations. This process was carried out jointly by the three authors.

When studying topics such as PMGs’ competencies, an important issue is how authors support their choice regarding what competencies to include in their work. This decision is important since it shapes the structure of the research field. Thus, a citation network analysis (CNA) was carried out to map the structure of the PMGs’ competencies research field. In CNA, research documents serve as nodes, and the connections between them are represented by citations [ 69 ]. CNA is a practical approach for identifying contributions to a specific topic and uncovering relationships within the scholarly literature, thereby revealing patterns of influence and collaboration [ 70 ]. In this SLR, the ten included articles relied on citations of prior works to select the pertinent PMGs’ competencies. These cited references were used to build a network representing the relevant frameworks in the included articles. The citation network was generated using the visNetwork package in RStudio.

4.1. Study characteristics

The main characteristics of the articles included in this SLR are shown in Table 1 . Data were collected from 11 countries across five regions: Asia, Europe, North America, Oceania, and South America. Notably, Pakistan emerged as the most prolific country, with five papers published between 2010 and 2022, followed by the USA ( n = 2) and Brazil ( n = 2). Most studies were published within the last five years ( n = 9). Out of the ten articles, eight were published in journals categorized in the Q1 ( n = 5) and Q2 ( n = 3) impact quartiles. In terms of study design, most articles employed a purely quantitative approach ( n = 8), while two utilized mixed methods. For instance, Sampaio et al. [ 71 ] conducted a systematic review to identify the competencies to be included in their subsequent questionnaire, while Podgórska and Pichlak [ 72 ] employed a mixed-method approach comprising semi-structured interviews and a survey questionnaire.

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https://doi.org/10.1371/journal.pone.0295417.t001

4.2. Project managers’ competencies

4.2.1. the most influential theoretical frameworks..

The majority of articles ( n = 9) included in the SLR employed an existing framework to identify the PMGs’ competencies that were examined in their empirical analyses. However, in the study conducted by Sampaio et al. [ 71 ], a comprehensive literature review was undertaken to determine the specific competencies that should be considered for testing their impact on PS.

A CNA was conducted to explore the interrelationships among the ten articles included in this SLR and to identify the most influential frameworks for defining and determining the PMGs’ competencies. Fig 2 visually represents the articles included in the SLR as square nodes and the studies that have contributed to conceptualizing PMGs’ competencies as circle nodes. The size of each node reflects the number of citations it has received. The diagram layout was arranged such that the most frequently cited studies are positioned in the center, while less frequently cited ones are placed towards the periphery. A summary of the most influential works in PMGs’ competencies is provided below.

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Notes. Square nodes represent the articles in the SLR ( n = 10), while circle nodes denote the studies that contributed to conceptualizing PMGs’ competencies. The number of citations gives the size of the node.

https://doi.org/10.1371/journal.pone.0295417.g002

Four articles included in this SLR [ 39 , 72 , 73 , 75 ] employed a common framework developed by Dulewicz and Higgs [ 79 ]. This framework encompasses 15 leadership competencies categorized into three dimensions: intellectual competencies (critical analysis and judgment, vision and imagination, strategic perspective), managerial competencies (managing resources, engaging communication, empowering, developing, achieving), and emotional competencies (self-awareness, emotional resilience, intuitiveness, interpersonal sensitivity, influence, motivation, conscientiousness). Additionally, two articles [ 15 , 77 ] drew upon Clarke’s [ 80 ] study, which identified four main PMGs’ competencies: communication, teamwork, attentiveness, and managing conflict. Other frameworks utilized in the SLR articles were proposed by Sunindijo [ 81 ], Katz [ 82 ], Nguyen and Hadikusumo [ 83 ], and Ofori [ 84 ]. These frameworks shared common elements, emphasizing the significance of communication, leadership, managing emotions, and interpersonal relationships as essential competencies for PMGs. Notably, the Project Manager Competency Development Framework [ 12 ] and the Individual Competence Baseline for Project Management [ 13 ] were among the most cited institutional frameworks employed in the SLR articles.

4.2.2. Categorization of project managers’ competencies.

Several common competencies were identified based on the review of competencies reported in each article. These competencies were categorized into four dimensions based in previous studies [ 11 , 31 , 85 ], as presented in Table 2 : cognitive, personal, social, and sustainability. It should be noted that not all competencies were consistently referred to by the same name across the included articles. Therefore, the names used to denote a specific competence in each article are listed in the third column of Table 2 .

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https://doi.org/10.1371/journal.pone.0295417.t002

4.3. Project success criteria

Previous literature has traditionally focused on PS measures related to cost, time, and quality. However, the findings of the SLR indicate a growing tendency to incorporate a broader range of success criteria. Table 3 presents a categorization of the different success criteria reported in the included articles.

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https://doi.org/10.1371/journal.pone.0295417.t003

The first dimension pertains to the impact on stakeholders, encompassing clients, users, providers, the project team, and other relevant parties. While stakeholder impact is commonly assessed through satisfaction measures, some studies consider alternative indicators such as the acceptability of the product, perceived benefits [ 73 ], or the fulfillment of stakeholder expectations [ 74 ]. Less frequently addressed are measures related to the impact on the organization, for which two criteria were identified: (i) visible short-term improvements in organizational outcomes or performance [ 73 , 75 , 76 ], and (ii) long-term improvements, such as the development of new technologies or the initiation of future projects [ 39 , 72 , 75 ]. Additional criteria related to the project management process were identified, encompassing project performance, achievement of the project’s primary objectives, other self-defined criteria related to project management, and compliance with procedures, safety regulations, and environmental standards. Project performance indicators include the traditional metrics of cost, time, and quality of the project’s deliverables [ 39 , 72 ].

4.4. Empirical analysis of the relationship between project managers’ competencies and project success

Table 4 presents a comprehensive overview of the research methods and results employed in the included studies. Several studies conducted correlational analyses to examine the relationship between competencies and various PS criteria [ 71 , 72 , 75 ], as well as overall PS [ 15 ]. Regression analysis was a common method to assess the predictive impact of PMGs’ competencies on PS criteria in the selected articles [ 39 , 72 , 74 , 75 ]. Additionally, some studies [ 73 , 74 , 76 , 78 ] employed structural equation modeling (SEM) or partial least squares (PLS) to analyze the predictive effect of PMGs’ competencies, modeled as second-order constructs, on PS.

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https://doi.org/10.1371/journal.pone.0295417.t004

4.4.1. Relationship between cognitive competencies and project success.

Cognitive competencies encompassed creativity, decision-making, and strategic perspective. Findings from two studies revealed a positive correlation between creativity and various PS criteria, such as accomplishing project objectives, project efficiency, user satisfaction [ 71 ], and suppliers’ satisfaction [ 72 ]. While creativity significantly predicted project efficiency, its effect on achieving project objectives and user satisfaction was not statistically significant [ 71 ]. Two studies included in the SLR [ 39 , 72 ] provided evidence concerning the relationship between strategic perspective and PS. Firstly, Müller and Turner [ 39 ] found that this competence influences project efficiency and self-defined success criteria. Secondly, Podgórska & Pichlak [ 72 ] reported that strategic perspective is significantly associated with all the analyzed PS criteria except for project efficiency and self-defined success criteria. Regarding the decision-making competence, Müller and Turner [ 39 ] did not identify any significant predictive effects of this competence. However, Podgórska and Pichlak [ 72 ] observed significant positive correlations between decision-making and all the PS criteria, with the highest coefficients observed for self-defined success criteria, end-user satisfaction, and satisfaction of other stakeholders.

4.4.2. Relationship between personal competencies and project success.

Personal competencies included emotional intelligence, results orientation, and conscientiousness. Among these competencies, emotional intelligence has received significant attention in the included studies. Out of the ten studies, eight explored the relationship between emotional intelligence and PS. The evidence revealed direct and significant predictive effects of emotional intelligence on various PS criteria, such as end-user satisfaction [ 71 ], achievement of project objectives [ 39 ], and overall PS [ 15 ].

Regarding results orientation, Sampaio et al. [ 71 ] demonstrated that this competence had a predictive effect on project efficiency. Correlational analysis revealed a higher correlation between this competence with PS criteria related to user satisfaction [ 71 ] and satisfaction of other stakeholders [ 72 ]. The conscientiousness competence was examined in the studies conducted by Müller and Turner [ 39 ] and Podgórska and Pichlak [ 72 ]. This competence emerged as a significant predictor of team satisfaction and the achievement of project objectives [ 39 ]. Furthermore, the effects of conscientiousness could vary depending on the type and complexity of the project [ 72 ].

4.4.3. Relationship between social competencies and project success.

Based on the articles included in this review, social competencies, such as communication, leadership, interpersonal relations, conflict management, and teamwork, tend to be associated with PS. Leadership has been extensively studied in the project management literature and was addressed in seven out of the ten articles included in this review. Correlational analysis revealed that leadership shows significant associations with nearly all PS criteria, being its highest correlation with the user satisfaction criterion [ 71 , 72 ]. Regarding its predictive effect on PS, Sampaio et al. [ 71 ] reported a non-significant effect of this competence on some criteria, such as achieving project’s purpose, project efficiency, and stakeholders’ satisfaction, while other studies found a significant effect on team satisfaction criterion [ 39 ] and an overall PS measure [ 15 , 74 ].

Regarding communication, correlational analysis showed that this competence is highly correlated with stakeholders’ satisfaction criterion [ 71 , 72 ]. Maqbool et al. [ 15 ] found that communication had the strongest correlation with a general measure of PS among all competencies included in their study. The predictive effect of this competence on PS was confirmed by Lima and Quevedo-Silva [ 77 ], Khan et al. [ 78 ] and Podgórska and Pichlak [ 72 ]. However, Sampaio et al. [ 71 ] and Müller and Turner [ 39 ] reported non-significant effects of communication of PS criteria.

Interpersonal relations showed significant positive associations with PS criteria, with the strongest coefficients on achieving project’s purpose [ 72 ]. Müller and Turner [ 39 ] found that this competence has a significant predictive effect on other stakeholders’ satisfaction criteria, while two studies [ 77 , 78 ] reported its predictive effect on a general PS measure. Finally, significant positive associations of conflict management and teamwork with PS were reported by Maqbool et al. [ 15 ]. However, its predictive effect on individual PS criteria were not estimated on any of the included articles.

4.4.4. Relationship between sustainability competencies and project success.

According to Elmezain et al. [ 74 ], the capacity to demonstrate integrity, sincerity, and authenticity, and to inspire confidence and trust in others, is relevant for achieving PS. The authors emphasized that PMGs who possess integrity play a crucial role in the advancement of any project. Similarly, Sampaio et al. [ 71 ] highlighted ethics, conceptualized as transparency, integrity, and honesty, as the most significant competence for achieving PS in terms of goal attainment.

5. Discussion

This SLR examined the evidence pertaining to the relationship between PMGs’ competencies and PS. The analysis of the included studies yielded three key findings. Firstly, six distinct clusters of authors were identified, each contributing to the conceptualization and identification of PMGs’ competencies. Secondly, the conceptualization of PS has evolved from a traditional approach centered around criteria such as time, cost, and quality, to a more comprehensive, holistic, and multidimensional perspective. Lastly, through thematic analysis, a total of 12 competencies, organized into four dimensions, were identified as potential determinants of PS. Notably, the most significant competencies associated with PS were found within the personal and social dimensions. A brief discussion of these findings is presented below.

In relation to the first finding, this SLR identified six distinct clusters of authors whose work influenced the competence frameworks utilized in the included articles. These clusters represented conceptualizations proposed by scholars and reputable PM institutions. The in-depth content analysis revealed that the frameworks proposed by Dulewicz and Higgs [ 79 ] and Clarke [ 80 ] were the most prevalent among the examined articles. Conversely, frameworks developed by Sunindijo [ 81 ], Ofori [ 84 ], and Nguyen and Hadikusumo [ 83 ] were comparatively less frequently employed. Additionally, the PMI [ 12 ] emerged as a key institutional point of reference for identifying the competencies required in a PMG. For instance, Lima and Quevedo-Silva [ 77 ] and Maqbool et al. [ 15 ] studies adopted Clarke’s [ 80 ] framework, which was based on the PMI’s [ 12 ] (2017b) list of competencies. Elmezain et al. [ 74 ], who cited Sunindijo et al. [ 81 ] as their framework source, incorporated several competencies defined by the PMI [ 5 ], although the majority of these were technical.

Regarding the second finding, the articles examined in this SLR provided support for the view that PS should be understood as a multidimensional construct. This finding aligns with a recent study by Ika and Pinto [ 54 ] that revisited the conceptualization of PS. The results of this review indicate that project performance, encompassing time, cost, and quality, emerged as the most commonly considered criterion of success across all the articles. However, a significant number of the included articles also acknowledged additional criteria, leading to the identification of three dimensions of PS. The first dimension refers to the impact on stakeholders and includes criteria related to the satisfaction of various project stakeholders, including clients, users, suppliers, and the project team, among others. The second dimension focuses on the impact of the project on the organization, comprising both short- and long-term improvements. Lastly, the third dimension is related with the general management of the project. This dimension encompasses aspects such as project performance, which includes the traditional "iron triangle" of time, cost, and quality, as well as the achievement of project objectives, adherence to project-defined criteria, and compliance with safety and environmental protocols and regulations. This conceptualization supports the multidimensional nature of PS. However, as noted by Ika and Pinto [ 54 ], it is important to highlight that the majority of the included articles overlooked the inclusion of sustainability criteria. Among the entire sample of studies, only one [ 76 ] out of ten explicitly addressed compliance with safety and environmental regulations as a criterion of success.

The findings of this SLR have provided insights into the competencies that exhibit a significant relationship with PS. Specifically, the articles included in this review extensively examined competencies associated with the personal and social dimensions, such as leadership, communication, and emotional intelligence. These competencies have been extensively studied in previous literature [ 18 , 86 ], and their impact on PS was explored in the majority of the reviewed articles. Conversely, the influence of other competencies, such as ethics, received less attention and was not extensively explored. Moreover, the empirical evidence gathered in this review suggests that the effect of project management competencies on PS may vary depending on several factors. For instance, the type of project was found to be a significant factor influencing the relationship between competencies and PS [ 72 ]. Furthermore, individual and organizational factors were identified as potential mediating variables that could affect the relationship between competencies and PS [ 73 ]. These findings highlight the complexity and contextual nature of the relationship between competencies and PS. Next, a brief discussion will be presented to shed light on how these identified competencies can contribute to enhancing PS.

Leadership competence was one of the most studied competencies that improve PS. Although a few of the studies included in this SLR [ 71 , 73 ] reported that it does not have a significant effect on PS, a great number of the studies [ 15 , 39 , 72 , 74 , 76 ] suggested that PMGs’ leadership, conceived as their capacity to influence, empower and develop others, has a positive effect on PS. This finding agrees with the existing literature that has examined its influence on PS [ 87 – 90 ]. The development of competencies such as leadership allows PMGs to motivate their teams to be more productive [ 91 ], to show outstanding performance beyond expectations [ 89 ], to enhance team cohesion and engagement [ 92 ], to foster knowledge transfer across project teams [ 89 ], among other positive behaviors that would impact on projects’ outcomes.

The articles included in this SLR demonstrate a significant and positive relationship between communication and PS [ 15 , 72 , 77 , 78 ], in agreement with previous research findings [ 93 , 94 ]. The significance of this competence lies in its impact throughout various stages of a project [ 94 ]. Effective communication between PMGs and the project team’s members allows better collaboration [ 95 ], encourages knowledge sharing [ 96 ], and enhances the team’s motivation a sense of inclusivity [ 94 ], which contribute to the overall achievement of PS.

The influence of emotional intelligence on PS was assessed in most of the articles included in this SLR. Although some studies reported a non-significant relationship between emotional intelligence [ 71 , 73 , 77 ], there was evidence supporting a positive association between these two variables [ 15 , 39 , 72 , 75 ]. PMGs with high emotional intelligence are more likely to establish stronger relationships with their teams, thereby improving communication, clarity of mission, and support, ultimately enhancing PS [ 21 ]. In addition, the development of this competence allows PMGs to adequately regulate their emotions in complex situations, promoting positive behaviors such as empathy, respect, and leadership. These behaviors contribute to their ability to address challenges successfully and ensure higher PS [ 97 , 98 ].

Regarding the influence of PMGs’ ethics, a positive relationship was identified between this competence and PS criteria, particularly goal achievement [ 71 ]. Ethics has been acknowledged as a driving force for the advancement of the PM profession [ 48 ] and an essential competence that PMGs should possess [ 99 , 100 ]. However, empirical evidence on the impact of ethics on PS remains limited. Some related terms, such as honesty, integrity, and transparency [ 71 , 74 ], or ethical thinking [ 100 ], ethical decision-making, and ethics sensitivity have been addressed in previous studies. However, its effect on PS has rarely been estimated and reported. The evidence found on ethics in this SLR was obtained from information systems and construction projects. Future studies could explore the influence of this competence in different industries and countries.

6. Limitations and strengths

While this review contributes with some insights to the PM literature, it is important to mention its limitations. Firstly, the time frame of the review from 2010 to 2022 may have resulted in the exclusion of relevant articles that explore the relationship between PMGs’ competencies and PS. It is possible that some studies conducted outside this timeframe may provide further insights into the topic. Secondly, the use of specific search terms such as “competence,” “competency,” “competences,” “competencies,” “skill,” and “skills” may have excluded other studies [ 86 , 88 ] that examined the impact of different competencies individually. Including an exhaustive list of competencies in the search strings could have introduced significant heterogeneity into the reviewed articles, potentially limiting the ability to provide a comprehensive review of the existing literature.

Despite these limitations, this SLR makes several notable contributions to the PM discipline. First, it fills a gap in the existing literature by synthesizing available empirical evidence on the relationship between PMGs’ competencies and PS. Second, the review conducts a thematic analysis and adopts a holistic perspective to categorize the PMGs’ competencies that are associated with PS. Third, this review highlights the primary authors and PM institutions that have significantly influenced the conceptualization of PMGs’ competencies. Four, the review examines the criteria used to measure PS in the included articles and organizes them into three dimensions, offering a nuanced understanding of the multifaceted nature of PS measurement.

7. Conclusions

The present SLR extends the literature in project management concerning the influence of PMGs’ competencies on PS. Despite the growing interest in addressing the role of PMGs’ competencies to achieve higher success, to the best of our knowledge, there is a lack of systematic reviews that present an analysis of the available evidence on the relationship between PMGs’ competencies on PS. To fill this gap in the literature, this SLR analyzed the existing evidence regarding this relationship. Three main conclusions can be derived from the findings of this review. First, the existing literature has primarily explored the influence on PS of PMGs’ competencies from the personal and social dimensions, such as leadership, communication, and emotional intelligence. Second, PS is a multidimensional construct that comprises three main dimensions: impact on stakeholders, impact on the organization, and general project management. Third, the available data suggested that greater levels of PMGs’ competencies are associated with improved PS. These findings may support scholars and managers to understand the mechanisms through which individual characteristics, such as competencies, may allow PMGs to achieve better outcomes.

This SLR contributes to the existing literature in the PM discipline by offering a comprehensive synthesis of empirical evidence, providing a thorough overview of the current state of knowledge regarding the relationship between PMGs’ competencies and PS. In addition, this SLR identifies key contributors and sources of knowledge in the field, offering a valuable reference point for further research and exploration. The study also offers a review on how PS is conceptualized and measured. Moreover, it presents a classification of PMGs’ competencies that influence PS. Through a thematic analysis of the competencies examined in the included articles, this categorization provides valuable insights into the emphasis placed on different types of competencies. It highlights the significant attention given to personal and social competencies, while pointing out the relatively limited exploration of sustainability, cultural, or digital competencies [ 85 ].

Supporting information

S1 checklist. prisma 2020 checklist..

https://doi.org/10.1371/journal.pone.0295417.s001

S1 Table. Inclusion and exclusion criteria used in the SLR.

Notes: PMG = Project manager, PS = Project success.

https://doi.org/10.1371/journal.pone.0295417.s002

S2 Table. Quality assessment criteria scoring guide.

https://doi.org/10.1371/journal.pone.0295417.s003

S3 Table. Quality assessment results.

Notes: QC1 = Research questions; QC2 = Study design; QC3 = Sample representativeness; QC4 = Response rate; QC5 = PMG’s competencies measurement; QC6 = PS measurement; QC7 = Statistical analysis; QC8 = Results; QC9 = Statistical significance; QC10 = Conclusions; SLR = Systematic literature review.

https://doi.org/10.1371/journal.pone.0295417.s004

S4 Table. Brief description of the Project Managers’ competencies in included articles.

https://doi.org/10.1371/journal.pone.0295417.s005

S5 Table. Brief description of the project success criteria in included articles.

https://doi.org/10.1371/journal.pone.0295417.s006

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How do project managers’ competencies impact project success? A systematic literature review

Paola Ochoa Pacheco

ESPAE Graduate School of Management, Escuela Superior Politécnica del Litoral (ESPOL), Guayaquil, Ecuador

David Coello-Montecel

Michelle tello, virginia lasio, alfredo armijos, associated data.

All data are available either within the manuscript (Tables ​ (Tables1, 1 , ​ ,2, 2 , ​ ,3, 3 , ​ ,4) 4 ) or as supplementary files . Hyperlinks are provided within the manuscript in the reference list.

Despite the existence of systematic literature reviews focused on examining the factors contributing to project success, there remains a scarcity of reviews addressing the relationship between the project managers’ competencies and project success. To fill this gap in the literature, this review aimed to evaluate peer-reviewed articles, published between 2010 and 2022, and analyze the impact of project managers’ competencies on project success. The Web of Science, Scopus, ScienceDirect, and ProQuest electronic databases were first consulted in September 2021, with an update in August and October 2022. A total of 232 titles were analyzed. Ten articles met the criteria and were fully reviewed. A content analysis and a citation network were carried out to analyze the included articles. The analysis revealed that the existing literature has primarily explored the influence of competencies from the personal and social dimensions, such as leadership, communication, and emotional intelligence, on project success. Conversely, competencies from other dimensions have received less attention in the literature. In addition, this review contributes to the literature by providing a holistic categorization of competencies associated with project success and examining and organizing project success criteria into three dimensions.

1. Introduction

The profound economic, technological, and social changes experienced in recent years [ 1 , 2 ] have compelled organizations to devise strategies and implement initiatives to adapt to uncertain environments [ 3 ]. Projects allow organizations to face these challenges by leveraging their expertise and capabilities to deliver solutions aligned with business objectives [ 4 ]. Project management (PM) has been acknowledged as a valuable discipline for managers and professionals implementing strategic organizational transformations [ 1 ]. Given the shortage of qualified talent to execute strategic initiatives and drive change [ 5 ], the project managers’ (PMGs) competencies have garnered significant attention from scholars [ 6 – 11 ] and PM institutions [ 12 , 13 ]. Consequently, a substantial body of literature has devoted considerable effort to delineating the competencies that have the potential to enhance projects’ positive outcomes [ 14 – 18 ].

There has been a growing interest in exploring the individual and organizational factors contributing to project success (PS). At the individual level, the PMGs’ leadership style [ 19 ], job satisfaction [ 20 ], trust [ 21 ], job crafting [ 22 ], and work-family conflict [ 23 ], among other factors have been associated with PS. At the organizational level, scholars have highlighted that PS can be influenced by innovative climate [ 24 ], organizational culture [ 25 ], cultural diversity [ 26 ], governance [ 27 ], knowledge sharing and perceived trust and cohesion of the team [ 28 , 29 ], among others.

Despite the existence of systematic literature reviews (SLRs) that summarize the available evidence regarding factors associated with PS [ 30 ], there remains a scarcity of SLRs focusing on PMGs’ competencies [ 31 , 32 ] and their impact on PS. Only a limited number of SLRs [ 33 ] have been dedicated to identifying the competencies essential for achieving PS. However, to the best of our knowledge, an SLR focused on analyzing the relationship between PMGs’ competencies and PS has not been conducted before. To fill this gap in the literature, this SLR analyzes the existing evidence regarding the relationship between PMGs’ competencies and PS. Therefore, the present SLR was designed to address the following research questions: (RQ1) Which PMGs’ competencies are the most examined in the existing literature? (RQ2) Which success criteria are the most considered when measuring PS in the existing literature? (RQ3) Which PMGs’ competencies have a relationship with PS?

This SLR contributes to the literature on the PM discipline in four ways. Firstly, it fills a gap in the existing literature by employing the SLR methodology to comprehensively synthesize the available evidence from published empirical studies concerning the relationship between PMGs’ competencies and PS. Secondly, it employs a thematic analysis and a holistic perspective to categorize the PMGs’ competencies associated with PS. This methodological approach provides a comprehensive framework for understanding the diverse competencies relevant to PS. Thirdly, it offers an insightful analysis of a graphical representation that showcases the primary authors and institutions that have significantly influenced the conceptualization of PMGs’ competencies. Lastly, it examines the criteria utilized for measuring PS in the included articles and organizes them into three dimensions, enhancing the understanding of the multifaceted nature of PS assessment. By addressing these aspects, this SLR contributes to advancing knowledge in PM.

The subsequent sections of this paper are structured as follows. Section 2 presents the conceptualization of PMGs’ competencies and PS. Section 3 outlines the procedure for conducting the SLR, encompassing the search strategy, study selection, data extraction, and analysis. The findings derived from the SLR are presented in Section 4. Lastly, the paper concludes by discussing the implications of the results, highlighting the strengths and limitations of the SLR, and offering final remarks.

2. Competencies and project success

This section provides an overview of the conceptualizations of competencies adopted in the PM literature, and briefly discuss the evolution of the PS dimensions.

2.1. Competencies

Various conceptualizations of competencies have been explored in the existing literature [ 16 , 34 – 38 ]. Within the PM discipline, several studies [ 18 , 39 – 42 ] have aligned with the classical definition proposed by Boyatzis [ 35 ]. According to his framework, competencies encompass the underlying characteristics of an individual, including knowledge, skills, abilities, attitudes, and more, that collectively enable the achievement of high performance. These elements have served as a foundational basis for scholars [ 9 , 43 , 44 ] and institutions [ 12 , 13 ], who have further expanded the scope to develop frameworks tailored explicitly to the domain of PM.

PM institutions, including the Project Management Institute (PMI) and the International Project Management Association (IPMA), have played a crucial role in the definition and development of various standards and frameworks that pertain to the competencies of PMGs [ 45 ]. Several studies [ 16 , 46 , 47 ] have employed these institutional standards to define competencies. The next paragraph provides a concise overview of these institutional frameworks.

According to the IPMA [ 13 ], competencies comprise the practical application of knowledges, skills, and abilities to achieve desired outcomes. This framework recognizes the interconnectedness of these elements, as proficiency entails acquiring relevant knowledge and developing skills that, when put into practice, enable professionals to manage projects effectively and successfully. Similarly, the PMI [ 12 ] defines competencies as the capability to carry out activities within a portfolio, program, or project setting that yield anticipated results based on established and accepted standards. This definition builds upon Boyatzis’ [ 35 ] elements and aligns with the IPMA [ 13 ] perspective, but it also emphasizes compliance by acknowledging the significance of adhering to current regulations and guidelines to meet stakeholders’ expectations. More recently, the PMI [ 48 ] introduced the concept of power skills , which refers to the abilities and behaviors that facilitate working with others and enable project professionals to succeed in the workplace, align projects to organizational objectives, and motivate teams to contribute value to the organization and its customers.

The scholarly literature [ 8 , 37 , 43 , 44 ] has significantly contributed to the conceptualization of the competencies required by PMGs by incorporating key elements from the PM discipline. For instance, Hanna et al. [ 43 ] emphasized the evolving nature of projects. They argued that competencies entail the demonstrated ability to perform project activities within a dynamic environment, leading to expected outcomes based on established standards. Building upon this perspective, Bashir et al. [ 44 ] defined competencies as a meta-ability that integrates skills, aptitudes, and abilities to perform throughout the project life cycle, from initiation to closing, intending to achieve expected results. Moreover, Crawford [ 49 ] posited a close relationship between PMGs’ competencies and PS. Recent literature has underscored the pivotal role of PMGs’ competencies in attaining higher levels of success, enhancing efficiency and effectiveness, and consequently increasing the likelihood of PS [ 8 ].

2.2. Project success

This section provides an overview of the historical development of the conceptualization of PS, tracing its progression from a unidimensional to a more comprehensive and multidimensional concept [ 50 ]. It also aims to identify the dimensions and criteria incorporated into the concept in recent years. Furthermore, it defines PS and examines its distinctions from related concepts, such as project performance and efficiency.

Traditionally, scholars [ 39 , 51 – 53 ] have viewed PS as a combination of success factors and criteria. On the one hand, success factors refer to the significant elements that enhance the probability of achieving success. On the other hand, success criteria comprise a set of measures used to evaluate if the project can be judged as successful [ 39 ]. This SLR specifically focuses on PS criteria.

The measurement criteria for assessing PS have undergone significant evolution to encompass the complex and dynamic nature of projects, resulting in the development of more comprehensive models [ 52 , 54 ]. Initially, PS frameworks primarily focused on efficiency criteria, commonly referred to as the “golden triangle,” “iron triangle,” or “holy trinity,” which encompassed elements such as time, cost, and quality [ 54 ]. Subsequent models expanded to incorporate dimensions of client and project team satisfaction [ 55 ]. From the year 2000 onwards, the emergence of integrative models took into account additional dimensions, including realized benefits to the business or organization [ 56 , 57 ], satisfaction levels of internal and external stakeholders such as end-users, suppliers, and other relevant parties [ 58 ], the impacts on the community and environment [ 59 ], long-term effects like the creation of new markets or product lines [ 56 , 60 ], and investment returns [ 61 ].

The conceptual boundaries between PS, project performance, project efficiency, and PM success have often been blurred. On the one hand, PM success represents a conventional measure of PS that primarily focuses on time, cost, and quality, assessed upon project completion [ 62 , 63 ]. These criteria are also called project efficiency [ 64 ]. On the other hand, project performance refers to the degree to which management practices and processes contribute to the achievement of goals and objectives, as well as the fulfillment of stakeholders’ expectations. It is typically evaluated throughout project execution and upon completion [ 54 , 65 ]. In contrast, PS represents a broader and multidimensional concept encompassing the achievement of goals and objectives determined by key stakeholders after project completion [ 63 , 64 ], as well as the long-term impacts of the project [ 66 ].

The SLR was undertaken to investigate the abovementioned research questions and followed the guidelines outlined in the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). The protocol employed for conducting this SLR is elaborated next.

3.1. Search strategy

The Web of Science, Scopus, ScienceDirect, and ProQuest electronic databases were selected for this SLR. The databases were first consulted in September 2021, with an update in August and October 2022, by searching the following keywords in the title of the article: “competence,” “competency,” “competences,” “competencies,” “skill,” “skills,” and “project success,” without any additional constraint. The search was performed by two of the authors using the following search strings:

  • Scopus database : TITLE ((competence) OR (competency) OR (competences) OR (competencies) OR (skill) OR (skills)) AND TITLE ((project AND success))
  • Web of Science database : TI = (competence OR competency OR competences OR competencies OR skill OR skills) AND TI = (project success)
  • ScienceDirect database : Title: (competence OR competency OR competences OR competencies OR skill OR skills) AND (project success)
  • ProQuest database : title((competence OR competency OR competences OR competencies OR skill OR skills)) AND title((project success))

The metadata of the records (title, authors, document type, source title, author keywords, abstract, publication year, volume number, issue number, and DOI) was exported, compared, and saved on Microsoft Excel spreadsheets to remove duplicated studies and conduct the screening process.

3.2. Study selection

The study selection process comprised several stages to find relevant articles for the review. The initial research resulted in 232 articles. After removing duplicated records, 172 articles were considered for the next stages. The procedures followed by the authors are described below.

3.2.1. Inclusion and exclusion criteria

The inclusion and exclusion criteria for document selection in this review were based on various factors, including publication timeline, document type, language, study type, population, and context. To be included in this review, documents had to meet the following criteria: (1) they had to be peer-reviewed scholarly research articles, (2) they had to be published between January 2010 and October 2022, (3) they had to be written in English, (4) they had to have a quantitative approach measuring PMG’s competencies as independent variable and PS as a dependent variable, (5) the study population had to consist of PMGs or similar positions (e.g., project director, project leader, senior PMG, department manager, functional manager, team leader), and (6) the research work had to be conducted in professional settings. The study selection process did not impose restrictions on industry, project type, or project size to ensure a broader scope and encompass various perspectives. This approach allowed for the retrieval of peer-reviewed scholarly articles that addressed the research questions of this SLR. Initially, 172 articles were evaluated, and after applying the inclusion criteria, 131 records were removed. Subsequently, 41 research articles remained for the screening process.

3.2.2. Article screening process

After applying inclusion and exclusion criteria, the retained articles were screened by title, abstract, and full text. This process was conducted by two of the authors independently. The reasons for excluding articles were reported in each step. The exclusion criteria were objectively applied. Studies were excluded if the relationship between PMGs’ competencies and PS was not examined. Each reviewer’s number and list of excluded articles were compared after the screening. In those cases where there was disagreement between reviewers, a third author reviewed the article and discussed it with the other two authors to reach a consensus. Eligible articles were included in the final review. Ineligible articles were formally excluded, with the reasons for exclusion noted.

Out of 41 articles, seven were excluded based on the title. In this step, the main reasons for exclusion were: (a) the study was related to project-based learning ( n = 4), (b) the article was a literature review ( n = 3), and (c) the article was a case of study ( n = 1). The retained 34 articles were screened by abstract. After analyzing the abstract of each article, eight were removed because of the following: (a) the study had a qualitative design ( n = 1), (b) the article was a case of study ( n = 1), (c) the article analyzed only leadership styles ( n = 1), (d) the article was theoretical ( n = 2), (e) the study was not conducted in a PM professional setting ( n = 1), and (f) the article did not analyze the relationship between PMGs’ competencies and PS ( n = 2). Finally, the full-text screening was carried out on 26 articles. Thirteen records were excluded based on the following reasons: (a) PMGs’ competencies were not measured ( n = 3), (b) the article was theoretical ( n = 3), and (c) the study did not analyze the relationship between PMGs’ competencies and PS ( n = 7). After the whole screening process, 13 articles were considered for quality assessment.

3.2.3. Quality assessment

The quality assessment focused on ten quality criteria statements: (1) The research questions, objectives, or hypothesis were appropriately established; (2) The study design was well described and appropriate for answering the research questions; (3) The sample and population of the study were clearly described, and its size was sufficient to carry out the proposed analysis; (4) The response rate was reported and above 50%; (5) The instruments used for measuring PMGs’ competencies were well described and design-based; (6) The instrument used for measuring PS was well described and design-based; (7) The statistical method was appropriate and sufficiently described to enable them to be repeated; (8) The research questions were adequately answered; (9) The statistical significance of associations was tested and reported; (10) The conclusions were clearly described and based on the results.

The abovementioned criteria were adapted from the Newcastle-Ottawa Quality Assessment Scale (adapted for cross-sectional studies), the Appraisal Tool for Cross-Sectional Studies (AXIS), and similar studies [ 67 ]. Each statement had three rating options coded as “Yes” (1 point), “No” (0 points), and “Partial” (0.5 points). Articles with a score of 7.5 points or higher were included in the final sample. The quality assessment was carried out by two authors independently. The results were compared, and the differences found were discussed to make a final decision. In this phase, three articles were removed. Ten articles were selected to conduct the analysis and answer the research questions of this SLR. Fig 1 summarizes the data extraction procedure through a PRISMA flow.

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3.3. Data extraction and analysis

Three authors analyzed the articles for data extraction, including sample characteristics, country, setting, independent and outcome variable(s), data analysis procedures, and main findings. These data were synthesized in Table 4 .

No.AuthorSampleSectorResponse rateAnalysis toolMain results
1Sampaio et al. [ ] : = 121
:
20–40 years: ~ 64%
> 40 years: ~36%
:
Male: ~74%
Female: ~26%
:
< 11 years: ~25%
11–20 years: ~48%
> 20 years: ~27%
Information systems51%Correlation analysis
PLS-SEM
• Project performance was significantly associated with leadership, results orientation, emotional intelligence, ethics, creativity, and motivation.
• Goal achievement was significantly associated with leadership, emotional intelligence, ethics, and creativity.
• User satisfaction was significantly associated with leadership, communication, results orientation, ethics, creativity, and motivation.
• Emotional intelligence was a significant predictor of user satisfaction.
• Ethics was a significant predictor for goal achievement.
• Creativity and motivation were significant predictors of project performance.
2Rana and Shuja [ ] : = 183
:
21–30 years: ~52%
31–40 years: ~36%
> 40 years: ~12%
: Not reported
:
<6: ~48%
> 5 years: ~52%
TransportationNRSEM• Leadership competencies, measure as a second-order construct, was not a significant predictor of PS.
• Innovative work behavior fully mediates the relationship between leadership competencies and PS.
3Elmezain et al. [ ] : = 400
:
< 30 years: ~13%
30–49 years: ~52%
> 50 years: ~35%
:
Male: ~ 78%
Female: ~ 22%
:
< 7 years: ~29%
8–20 years: ~58%
>20 years: ~13%
Construction87%Regression analysis• Human and political skills were a significant predictor of PS.
4Ahmed & Lodhi [ ] : = 112
: Not reported
:
Male: ~ 79%
Female: ~ 21%
:
< 5 years: ~17%
5–10 years: ~59%
>15 years: ~23%
Information technology and telecommunication public projects75%Correlation analysis
Regression analysis
• Self-awareness and resilience were significantly associated with the following PS criteria: organizational success, team satisfaction, user satisfaction, and project performance.
• Emotional intelligence was a significant predictor of all PS criteria.
5Irfan et al. [ ] : = 260
: Not reported
:
Male: ~ 78%
Female: ~ 22%
:
5–15 years: ~73%
> 15 years: ~27%
Public sector organizations52%PLS-SEM• PMGs’ competencies, measured as a second-order construct, were not a significant predictor of PS.
6Lima and Quevedo-Silva [ ] : = 119
:
mean = 40 years
:
Male: ~ 81,51%
Female: ~ 18,49%
:
mean = 10 years
Not reported88%PLS-SEM• Interpersonal skills were a significant predictor of PS.
• Emotional intelligence was not a significant predictor of PS.
7Khan et al. [ ] : = 255
:
25–45 years: ~63%
46–55 years: ~33%
>55 years: ~4%
:
Male: ~ 100%
:
1–5 years: ~11%
6–10 years: ~55%
11–15 years: ~34%
ConstructionNRPLS-SEM• Communication and interpersonal skills were a significant predictor for PS.
8Podgórska and Pichlak [ ] : = 102
:
>41 years: ~ 63%
> 40 years: ~37%
:
Male: ~ 31%
Female: ~ 69%
:
< 6 years: ~64%
> 5 years: ~36%
Not reported58%Regression analysis• Conscientiousness was a significant predictor of PS in high-complexity and mandatory projects.
• Communication was a significant predictor of PS in medium-complexity projects.
• Motivation was a significant predictor of PS in repositioning projects.
9Maqbool et al. [ ] : = 345
:
25–45 years: ~ 65%
> 45 years: ~35%
: Not reported
Working experience:
5 to 15 years: ~67%
> 15 years: ~33%
Construction84%Correlation analysis
Regression analysis
• Self-awareness and relationship management were significantly associated with PS.
• Communication reported the highest correlation with PS among all competencies included in the study.
• PMGs’ competencies, measured as a second-order construct composed by communication, teamwork, attentiveness and managing conflict, were significantly associated with PS.
• Emotional intelligence was a significant predictor of PS.
10Müller and Turner [ ] : = 400
:
40-year-old or younger: ~ 27%
> 40 years: ~73%
:
Male: ~ 65%
Female: ~ 34%
: Not reported
Not reportedNot applicable (snowball sampling)Regression analysis• Strategic perspective was a significant predictor of the following PS criteria: project performance and self-defined criteria of success.
• Managing resources perspective was a significant predictor for user satisfaction, other stakeholders’ satisfaction, meeting user requirements, customer satisfaction and reoccurring business.
• Empowering was a significant predictor for team satisfaction.
• Self-awareness was a significant predictor for project achievement.
• Interpersonal sensitivity was a significant predictor for supplier satisfaction.
• Influence was a significant predictor for other stakeholder satisfaction.
• Motivation was a significant predictor for project performance.
• Conscientiousness was a significant predictor for team satisfaction.

Notes. PLS-SEM: Partial Least Squares Structural Equation Modeling, SEM: Structural equation modeling, PS: Project success, PMGs: Project managers, NR: Non-reported.

A thematic analysis was conducted to identify the dimensions of PMGs’ competencies and PS criteria used in the included articles, following the procedures proposed by Nowell et al. [ 68 ]:

  • Familiarization with the data . The authors read and analyzed the content of each article.
  • Generation of initial code s. Each author generated a list of competencies and PS criteria extracted from each article. The resulting lists were compared and matched to get a final version.
  • Creation of themes . Categories were created by grouping similar competencies and PS criteria. Each of the authors carried out this process individually. The resulting lists were compared and matched to get a final version as in the previous step.
  • Definition and naming of themes . Once the final list of competencies and PS were obtained and the main categories were defined, each category was named based on theoretical foundations. This process was carried out jointly by the three authors.

When studying topics such as PMGs’ competencies, an important issue is how authors support their choice regarding what competencies to include in their work. This decision is important since it shapes the structure of the research field. Thus, a citation network analysis (CNA) was carried out to map the structure of the PMGs’ competencies research field. In CNA, research documents serve as nodes, and the connections between them are represented by citations [ 69 ]. CNA is a practical approach for identifying contributions to a specific topic and uncovering relationships within the scholarly literature, thereby revealing patterns of influence and collaboration [ 70 ]. In this SLR, the ten included articles relied on citations of prior works to select the pertinent PMGs’ competencies. These cited references were used to build a network representing the relevant frameworks in the included articles. The citation network was generated using the visNetwork package in RStudio.

4.1. Study characteristics

The main characteristics of the articles included in this SLR are shown in Table 1 . Data were collected from 11 countries across five regions: Asia, Europe, North America, Oceania, and South America. Notably, Pakistan emerged as the most prolific country, with five papers published between 2010 and 2022, followed by the USA ( n = 2) and Brazil ( n = 2). Most studies were published within the last five years ( n = 9). Out of the ten articles, eight were published in journals categorized in the Q1 ( n = 5) and Q2 ( n = 3) impact quartiles. In terms of study design, most articles employed a purely quantitative approach ( n = 8), while two utilized mixed methods. For instance, Sampaio et al. [ 71 ] conducted a systematic review to identify the competencies to be included in their subsequent questionnaire, while Podgórska and Pichlak [ 72 ] employed a mixed-method approach comprising semi-structured interviews and a survey questionnaire.

YearNo. of published articlesCountry/RegionJournalJournal Impact QuartileArticle included in the SLR
20222South America (Brazil), North America (Canada and USA), Asia (China), Europe (Ireland and Portugal)International Journal of Managing Projects in BusinessQ1Sampaio et al. [ ]
PakistanPakistan Journal of Commerce and Social ScienceQ1Rana and Shuja [ ]
20213EgyptBrazilian Journal of Operations and Production ManagementQ2Elmezain et al. [ ]
PakistanInternational Journal of Information Technology Project ManagementQ2Ahmed and Lodhi [ ]
PakistanSustainabilityQ1Irfan et al. [ ]
20202BrazilInternational Journal of Project Organisation and ManagementQ3Lima and Quevedo-Silva [ ]
PakistanPacific Business Review InternationalN/AKhan et al. [ ]
20191PolandInternational Journal of Managing Projects in BusinessQ1Podgórska and Pichlak [ ]
20171PakistanProject Management JournalQ1Maqbool et al. [ ]
20101Europe, North America, Australia, New Zealand, among othersBaltic Journal of ManagementQ2Müller & Turner [ ]

Note: The Journal Impact Quartile was based on Scopus CiteScore. N/A = Journal Impact Quartile not available.

4.2. Project managers’ competencies

4.2.1. the most influential theoretical frameworks.

The majority of articles ( n = 9) included in the SLR employed an existing framework to identify the PMGs’ competencies that were examined in their empirical analyses. However, in the study conducted by Sampaio et al. [ 71 ], a comprehensive literature review was undertaken to determine the specific competencies that should be considered for testing their impact on PS.

A CNA was conducted to explore the interrelationships among the ten articles included in this SLR and to identify the most influential frameworks for defining and determining the PMGs’ competencies. Fig 2 visually represents the articles included in the SLR as square nodes and the studies that have contributed to conceptualizing PMGs’ competencies as circle nodes. The size of each node reflects the number of citations it has received. The diagram layout was arranged such that the most frequently cited studies are positioned in the center, while less frequently cited ones are placed towards the periphery. A summary of the most influential works in PMGs’ competencies is provided below.

An external file that holds a picture, illustration, etc.
Object name is pone.0295417.g002.jpg

Notes. Square nodes represent the articles in the SLR ( n = 10), while circle nodes denote the studies that contributed to conceptualizing PMGs’ competencies. The number of citations gives the size of the node.

Four articles included in this SLR [ 39 , 72 , 73 , 75 ] employed a common framework developed by Dulewicz and Higgs [ 79 ]. This framework encompasses 15 leadership competencies categorized into three dimensions: intellectual competencies (critical analysis and judgment, vision and imagination, strategic perspective), managerial competencies (managing resources, engaging communication, empowering, developing, achieving), and emotional competencies (self-awareness, emotional resilience, intuitiveness, interpersonal sensitivity, influence, motivation, conscientiousness). Additionally, two articles [ 15 , 77 ] drew upon Clarke’s [ 80 ] study, which identified four main PMGs’ competencies: communication, teamwork, attentiveness, and managing conflict. Other frameworks utilized in the SLR articles were proposed by Sunindijo [ 81 ], Katz [ 82 ], Nguyen and Hadikusumo [ 83 ], and Ofori [ 84 ]. These frameworks shared common elements, emphasizing the significance of communication, leadership, managing emotions, and interpersonal relationships as essential competencies for PMGs. Notably, the Project Manager Competency Development Framework [ 12 ] and the Individual Competence Baseline for Project Management [ 13 ] were among the most cited institutional frameworks employed in the SLR articles.

4.2.2. Categorization of project managers’ competencies

Several common competencies were identified based on the review of competencies reported in each article. These competencies were categorized into four dimensions based in previous studies [ 11 , 31 , 85 ], as presented in Table 2 : cognitive, personal, social, and sustainability. It should be noted that not all competencies were consistently referred to by the same name across the included articles. Therefore, the names used to denote a specific competence in each article are listed in the third column of Table 2 .

DimensionsCompetenciesAssociated termsAuthors
Ahmed & Lodhi [ ]Elmezain et al. [ ]Irfan et al. [ ]Khan et al. [ ]Lima & Quevedo-Silva [ ]Maqbool et al. [ ]Müller and Turner [ ]Podgórska and Pichlak [ ]Rana and Shuja [ ]Sampaio et al. [ ]
CognitiveCreativityCreativity, vision and imagination, resourcefulness, creative thinking, imaginationXXXX
Decision-makingDecision-making skills, intuitiveness, critical analysis, and judgmentXXXX
Strategic perspectiveStrategic perspectiveXXXX
PersonalConscientiousnessConscientiousnessXXX
Emotional intelligenceEmotional intelligence, self-awareness, resilience, stress management, self-control, sensitivityXXXXXXXX
Results orientationResults orientation, motivation, achievingXXXX
SocialCommunicationEngaging communication, communication management, communication, verbal skills, feedbackXXXXXXX
Conflict managementManaging conflict, resolving conflictsXXX
Interpersonal relationsAttentiveness, interpersonal linkages, interpersonal skills, influenceXXXXXX
LeadershipPolitical skills, transformational leadership, empowering, developing, coachingXXXXXXX
TeamworkTeam building, teamworkXXX
SustainabilityEthicsTransparency, honesty, integrityXX

4.3. Project success criteria

Previous literature has traditionally focused on PS measures related to cost, time, and quality. However, the findings of the SLR indicate a growing tendency to incorporate a broader range of success criteria. Table 3 presents a categorization of the different success criteria reported in the included articles.

Project success dimensionsSuccess criteriaArticles included in the SLR
Ahmed & Lodhi [ ]Elmezain et al. [ ]Irfan et al. [ ]Lima & Quevedo-Silva [ ]Maqbool et al. [ ]Müller and Turner [ ]Podgórska and Pichlak [ ]Rana and Shuja [ ]Sampaio et al. [ ]
Impact on stakeholdersClients satisfactionXXXXX
Users satisfactionXXXXXX
Providers satisfactionXXX
Teams satisfactionXXXXX
Other stakeholders satisfactionXXX
Impact on organizationVisible short-term improvementsXXX
Long-term improvementsXXX
General project managementProject efficiency (time, cost, and quality)XXXXXXXXX
Achieving purpose and objectivesXXXXXXX
Project self-defined criteriaXXX
Compliance with safety and environmental procedures and regulationsX

The first dimension pertains to the impact on stakeholders, encompassing clients, users, providers, the project team, and other relevant parties. While stakeholder impact is commonly assessed through satisfaction measures, some studies consider alternative indicators such as the acceptability of the product, perceived benefits [ 73 ], or the fulfillment of stakeholder expectations [ 74 ]. Less frequently addressed are measures related to the impact on the organization, for which two criteria were identified: (i) visible short-term improvements in organizational outcomes or performance [ 73 , 75 , 76 ], and (ii) long-term improvements, such as the development of new technologies or the initiation of future projects [ 39 , 72 , 75 ]. Additional criteria related to the project management process were identified, encompassing project performance, achievement of the project’s primary objectives, other self-defined criteria related to project management, and compliance with procedures, safety regulations, and environmental standards. Project performance indicators include the traditional metrics of cost, time, and quality of the project’s deliverables [ 39 , 72 ].

4.4. Empirical analysis of the relationship between project managers’ competencies and project success

Table 4 presents a comprehensive overview of the research methods and results employed in the included studies. Several studies conducted correlational analyses to examine the relationship between competencies and various PS criteria [ 71 , 72 , 75 ], as well as overall PS [ 15 ]. Regression analysis was a common method to assess the predictive impact of PMGs’ competencies on PS criteria in the selected articles [ 39 , 72 , 74 , 75 ]. Additionally, some studies [ 73 , 74 , 76 , 78 ] employed structural equation modeling (SEM) or partial least squares (PLS) to analyze the predictive effect of PMGs’ competencies, modeled as second-order constructs, on PS.

4.4.1. Relationship between cognitive competencies and project success

Cognitive competencies encompassed creativity, decision-making, and strategic perspective. Findings from two studies revealed a positive correlation between creativity and various PS criteria, such as accomplishing project objectives, project efficiency, user satisfaction [ 71 ], and suppliers’ satisfaction [ 72 ]. While creativity significantly predicted project efficiency, its effect on achieving project objectives and user satisfaction was not statistically significant [ 71 ]. Two studies included in the SLR [ 39 , 72 ] provided evidence concerning the relationship between strategic perspective and PS. Firstly, Müller and Turner [ 39 ] found that this competence influences project efficiency and self-defined success criteria. Secondly, Podgórska & Pichlak [ 72 ] reported that strategic perspective is significantly associated with all the analyzed PS criteria except for project efficiency and self-defined success criteria. Regarding the decision-making competence, Müller and Turner [ 39 ] did not identify any significant predictive effects of this competence. However, Podgórska and Pichlak [ 72 ] observed significant positive correlations between decision-making and all the PS criteria, with the highest coefficients observed for self-defined success criteria, end-user satisfaction, and satisfaction of other stakeholders.

4.4.2. Relationship between personal competencies and project success

Personal competencies included emotional intelligence, results orientation, and conscientiousness. Among these competencies, emotional intelligence has received significant attention in the included studies. Out of the ten studies, eight explored the relationship between emotional intelligence and PS. The evidence revealed direct and significant predictive effects of emotional intelligence on various PS criteria, such as end-user satisfaction [ 71 ], achievement of project objectives [ 39 ], and overall PS [ 15 ].

Regarding results orientation, Sampaio et al. [ 71 ] demonstrated that this competence had a predictive effect on project efficiency. Correlational analysis revealed a higher correlation between this competence with PS criteria related to user satisfaction [ 71 ] and satisfaction of other stakeholders [ 72 ]. The conscientiousness competence was examined in the studies conducted by Müller and Turner [ 39 ] and Podgórska and Pichlak [ 72 ]. This competence emerged as a significant predictor of team satisfaction and the achievement of project objectives [ 39 ]. Furthermore, the effects of conscientiousness could vary depending on the type and complexity of the project [ 72 ].

4.4.3. Relationship between social competencies and project success

Based on the articles included in this review, social competencies, such as communication, leadership, interpersonal relations, conflict management, and teamwork, tend to be associated with PS. Leadership has been extensively studied in the project management literature and was addressed in seven out of the ten articles included in this review. Correlational analysis revealed that leadership shows significant associations with nearly all PS criteria, being its highest correlation with the user satisfaction criterion [ 71 , 72 ]. Regarding its predictive effect on PS, Sampaio et al. [ 71 ] reported a non-significant effect of this competence on some criteria, such as achieving project’s purpose, project efficiency, and stakeholders’ satisfaction, while other studies found a significant effect on team satisfaction criterion [ 39 ] and an overall PS measure [ 15 , 74 ].

Regarding communication, correlational analysis showed that this competence is highly correlated with stakeholders’ satisfaction criterion [ 71 , 72 ]. Maqbool et al. [ 15 ] found that communication had the strongest correlation with a general measure of PS among all competencies included in their study. The predictive effect of this competence on PS was confirmed by Lima and Quevedo-Silva [ 77 ], Khan et al. [ 78 ] and Podgórska and Pichlak [ 72 ]. However, Sampaio et al. [ 71 ] and Müller and Turner [ 39 ] reported non-significant effects of communication of PS criteria.

Interpersonal relations showed significant positive associations with PS criteria, with the strongest coefficients on achieving project’s purpose [ 72 ]. Müller and Turner [ 39 ] found that this competence has a significant predictive effect on other stakeholders’ satisfaction criteria, while two studies [ 77 , 78 ] reported its predictive effect on a general PS measure. Finally, significant positive associations of conflict management and teamwork with PS were reported by Maqbool et al. [ 15 ]. However, its predictive effect on individual PS criteria were not estimated on any of the included articles.

4.4.4. Relationship between sustainability competencies and project success

According to Elmezain et al. [ 74 ], the capacity to demonstrate integrity, sincerity, and authenticity, and to inspire confidence and trust in others, is relevant for achieving PS. The authors emphasized that PMGs who possess integrity play a crucial role in the advancement of any project. Similarly, Sampaio et al. [ 71 ] highlighted ethics, conceptualized as transparency, integrity, and honesty, as the most significant competence for achieving PS in terms of goal attainment.

5. Discussion

This SLR examined the evidence pertaining to the relationship between PMGs’ competencies and PS. The analysis of the included studies yielded three key findings. Firstly, six distinct clusters of authors were identified, each contributing to the conceptualization and identification of PMGs’ competencies. Secondly, the conceptualization of PS has evolved from a traditional approach centered around criteria such as time, cost, and quality, to a more comprehensive, holistic, and multidimensional perspective. Lastly, through thematic analysis, a total of 12 competencies, organized into four dimensions, were identified as potential determinants of PS. Notably, the most significant competencies associated with PS were found within the personal and social dimensions. A brief discussion of these findings is presented below.

In relation to the first finding, this SLR identified six distinct clusters of authors whose work influenced the competence frameworks utilized in the included articles. These clusters represented conceptualizations proposed by scholars and reputable PM institutions. The in-depth content analysis revealed that the frameworks proposed by Dulewicz and Higgs [ 79 ] and Clarke [ 80 ] were the most prevalent among the examined articles. Conversely, frameworks developed by Sunindijo [ 81 ], Ofori [ 84 ], and Nguyen and Hadikusumo [ 83 ] were comparatively less frequently employed. Additionally, the PMI [ 12 ] emerged as a key institutional point of reference for identifying the competencies required in a PMG. For instance, Lima and Quevedo-Silva [ 77 ] and Maqbool et al. [ 15 ] studies adopted Clarke’s [ 80 ] framework, which was based on the PMI’s [ 12 ] (2017b) list of competencies. Elmezain et al. [ 74 ], who cited Sunindijo et al. [ 81 ] as their framework source, incorporated several competencies defined by the PMI [ 5 ], although the majority of these were technical.

Regarding the second finding, the articles examined in this SLR provided support for the view that PS should be understood as a multidimensional construct. This finding aligns with a recent study by Ika and Pinto [ 54 ] that revisited the conceptualization of PS. The results of this review indicate that project performance, encompassing time, cost, and quality, emerged as the most commonly considered criterion of success across all the articles. However, a significant number of the included articles also acknowledged additional criteria, leading to the identification of three dimensions of PS. The first dimension refers to the impact on stakeholders and includes criteria related to the satisfaction of various project stakeholders, including clients, users, suppliers, and the project team, among others. The second dimension focuses on the impact of the project on the organization, comprising both short- and long-term improvements. Lastly, the third dimension is related with the general management of the project. This dimension encompasses aspects such as project performance, which includes the traditional "iron triangle" of time, cost, and quality, as well as the achievement of project objectives, adherence to project-defined criteria, and compliance with safety and environmental protocols and regulations. This conceptualization supports the multidimensional nature of PS. However, as noted by Ika and Pinto [ 54 ], it is important to highlight that the majority of the included articles overlooked the inclusion of sustainability criteria. Among the entire sample of studies, only one [ 76 ] out of ten explicitly addressed compliance with safety and environmental regulations as a criterion of success.

The findings of this SLR have provided insights into the competencies that exhibit a significant relationship with PS. Specifically, the articles included in this review extensively examined competencies associated with the personal and social dimensions, such as leadership, communication, and emotional intelligence. These competencies have been extensively studied in previous literature [ 18 , 86 ], and their impact on PS was explored in the majority of the reviewed articles. Conversely, the influence of other competencies, such as ethics, received less attention and was not extensively explored. Moreover, the empirical evidence gathered in this review suggests that the effect of project management competencies on PS may vary depending on several factors. For instance, the type of project was found to be a significant factor influencing the relationship between competencies and PS [ 72 ]. Furthermore, individual and organizational factors were identified as potential mediating variables that could affect the relationship between competencies and PS [ 73 ]. These findings highlight the complexity and contextual nature of the relationship between competencies and PS. Next, a brief discussion will be presented to shed light on how these identified competencies can contribute to enhancing PS.

Leadership competence was one of the most studied competencies that improve PS. Although a few of the studies included in this SLR [ 71 , 73 ] reported that it does not have a significant effect on PS, a great number of the studies [ 15 , 39 , 72 , 74 , 76 ] suggested that PMGs’ leadership, conceived as their capacity to influence, empower and develop others, has a positive effect on PS. This finding agrees with the existing literature that has examined its influence on PS [ 87 – 90 ]. The development of competencies such as leadership allows PMGs to motivate their teams to be more productive [ 91 ], to show outstanding performance beyond expectations [ 89 ], to enhance team cohesion and engagement [ 92 ], to foster knowledge transfer across project teams [ 89 ], among other positive behaviors that would impact on projects’ outcomes.

The articles included in this SLR demonstrate a significant and positive relationship between communication and PS [ 15 , 72 , 77 , 78 ], in agreement with previous research findings [ 93 , 94 ]. The significance of this competence lies in its impact throughout various stages of a project [ 94 ]. Effective communication between PMGs and the project team’s members allows better collaboration [ 95 ], encourages knowledge sharing [ 96 ], and enhances the team’s motivation a sense of inclusivity [ 94 ], which contribute to the overall achievement of PS.

The influence of emotional intelligence on PS was assessed in most of the articles included in this SLR. Although some studies reported a non-significant relationship between emotional intelligence [ 71 , 73 , 77 ], there was evidence supporting a positive association between these two variables [ 15 , 39 , 72 , 75 ]. PMGs with high emotional intelligence are more likely to establish stronger relationships with their teams, thereby improving communication, clarity of mission, and support, ultimately enhancing PS [ 21 ]. In addition, the development of this competence allows PMGs to adequately regulate their emotions in complex situations, promoting positive behaviors such as empathy, respect, and leadership. These behaviors contribute to their ability to address challenges successfully and ensure higher PS [ 97 , 98 ].

Regarding the influence of PMGs’ ethics, a positive relationship was identified between this competence and PS criteria, particularly goal achievement [ 71 ]. Ethics has been acknowledged as a driving force for the advancement of the PM profession [ 48 ] and an essential competence that PMGs should possess [ 99 , 100 ]. However, empirical evidence on the impact of ethics on PS remains limited. Some related terms, such as honesty, integrity, and transparency [ 71 , 74 ], or ethical thinking [ 100 ], ethical decision-making, and ethics sensitivity have been addressed in previous studies. However, its effect on PS has rarely been estimated and reported. The evidence found on ethics in this SLR was obtained from information systems and construction projects. Future studies could explore the influence of this competence in different industries and countries.

6. Limitations and strengths

While this review contributes with some insights to the PM literature, it is important to mention its limitations. Firstly, the time frame of the review from 2010 to 2022 may have resulted in the exclusion of relevant articles that explore the relationship between PMGs’ competencies and PS. It is possible that some studies conducted outside this timeframe may provide further insights into the topic. Secondly, the use of specific search terms such as “competence,” “competency,” “competences,” “competencies,” “skill,” and “skills” may have excluded other studies [ 86 , 88 ] that examined the impact of different competencies individually. Including an exhaustive list of competencies in the search strings could have introduced significant heterogeneity into the reviewed articles, potentially limiting the ability to provide a comprehensive review of the existing literature.

Despite these limitations, this SLR makes several notable contributions to the PM discipline. First, it fills a gap in the existing literature by synthesizing available empirical evidence on the relationship between PMGs’ competencies and PS. Second, the review conducts a thematic analysis and adopts a holistic perspective to categorize the PMGs’ competencies that are associated with PS. Third, this review highlights the primary authors and PM institutions that have significantly influenced the conceptualization of PMGs’ competencies. Four, the review examines the criteria used to measure PS in the included articles and organizes them into three dimensions, offering a nuanced understanding of the multifaceted nature of PS measurement.

7. Conclusions

The present SLR extends the literature in project management concerning the influence of PMGs’ competencies on PS. Despite the growing interest in addressing the role of PMGs’ competencies to achieve higher success, to the best of our knowledge, there is a lack of systematic reviews that present an analysis of the available evidence on the relationship between PMGs’ competencies on PS. To fill this gap in the literature, this SLR analyzed the existing evidence regarding this relationship. Three main conclusions can be derived from the findings of this review. First, the existing literature has primarily explored the influence on PS of PMGs’ competencies from the personal and social dimensions, such as leadership, communication, and emotional intelligence. Second, PS is a multidimensional construct that comprises three main dimensions: impact on stakeholders, impact on the organization, and general project management. Third, the available data suggested that greater levels of PMGs’ competencies are associated with improved PS. These findings may support scholars and managers to understand the mechanisms through which individual characteristics, such as competencies, may allow PMGs to achieve better outcomes.

This SLR contributes to the existing literature in the PM discipline by offering a comprehensive synthesis of empirical evidence, providing a thorough overview of the current state of knowledge regarding the relationship between PMGs’ competencies and PS. In addition, this SLR identifies key contributors and sources of knowledge in the field, offering a valuable reference point for further research and exploration. The study also offers a review on how PS is conceptualized and measured. Moreover, it presents a classification of PMGs’ competencies that influence PS. Through a thematic analysis of the competencies examined in the included articles, this categorization provides valuable insights into the emphasis placed on different types of competencies. It highlights the significant attention given to personal and social competencies, while pointing out the relatively limited exploration of sustainability, cultural, or digital competencies [ 85 ].

Supporting information

S1 checklist.

Notes: PMG = Project manager, PS = Project success.

Notes: QC1 = Research questions; QC2 = Study design; QC3 = Sample representativeness; QC4 = Response rate; QC5 = PMG’s competencies measurement; QC6 = PS measurement; QC7 = Statistical analysis; QC8 = Results; QC9 = Statistical significance; QC10 = Conclusions; SLR = Systematic literature review.

Funding Statement

The authors received no specific funding for this work.

Data Availability

  • PLoS One. 2023; 18(12): e0295417.

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18 Sep 2023

PONE-D-23-22151How do project managers’ competencies impact project success? A systematic literature reviewPLOS ONE

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Decision Letter 1

21 Nov 2023

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Methodology

  • How to Write a Literature Review | Guide, Examples, & Templates

How to Write a Literature Review | Guide, Examples, & Templates

Published on January 2, 2023 by Shona McCombes . Revised on September 11, 2023.

What is a literature review? A literature review is a survey of scholarly sources on a specific topic. It provides an overview of current knowledge, allowing you to identify relevant theories, methods, and gaps in the existing research that you can later apply to your paper, thesis, or dissertation topic .

There are five key steps to writing a literature review:

  • Search for relevant literature
  • Evaluate sources
  • Identify themes, debates, and gaps
  • Outline the structure
  • Write your literature review

A good literature review doesn’t just summarize sources—it analyzes, synthesizes , and critically evaluates to give a clear picture of the state of knowledge on the subject.

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Table of contents

What is the purpose of a literature review, examples of literature reviews, step 1 – search for relevant literature, step 2 – evaluate and select sources, step 3 – identify themes, debates, and gaps, step 4 – outline your literature review’s structure, step 5 – write your literature review, free lecture slides, other interesting articles, frequently asked questions, introduction.

  • Quick Run-through
  • Step 1 & 2

When you write a thesis , dissertation , or research paper , you will likely have to conduct a literature review to situate your research within existing knowledge. The literature review gives you a chance to:

  • Demonstrate your familiarity with the topic and its scholarly context
  • Develop a theoretical framework and methodology for your research
  • Position your work in relation to other researchers and theorists
  • Show how your research addresses a gap or contributes to a debate
  • Evaluate the current state of research and demonstrate your knowledge of the scholarly debates around your topic.

Writing literature reviews is a particularly important skill if you want to apply for graduate school or pursue a career in research. We’ve written a step-by-step guide that you can follow below.

Literature review guide

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Writing literature reviews can be quite challenging! A good starting point could be to look at some examples, depending on what kind of literature review you’d like to write.

  • Example literature review #1: “Why Do People Migrate? A Review of the Theoretical Literature” ( Theoretical literature review about the development of economic migration theory from the 1950s to today.)
  • Example literature review #2: “Literature review as a research methodology: An overview and guidelines” ( Methodological literature review about interdisciplinary knowledge acquisition and production.)
  • Example literature review #3: “The Use of Technology in English Language Learning: A Literature Review” ( Thematic literature review about the effects of technology on language acquisition.)
  • Example literature review #4: “Learners’ Listening Comprehension Difficulties in English Language Learning: A Literature Review” ( Chronological literature review about how the concept of listening skills has changed over time.)

You can also check out our templates with literature review examples and sample outlines at the links below.

Download Word doc Download Google doc

Before you begin searching for literature, you need a clearly defined topic .

If you are writing the literature review section of a dissertation or research paper, you will search for literature related to your research problem and questions .

Make a list of keywords

Start by creating a list of keywords related to your research question. Include each of the key concepts or variables you’re interested in, and list any synonyms and related terms. You can add to this list as you discover new keywords in the process of your literature search.

  • Social media, Facebook, Instagram, Twitter, Snapchat, TikTok
  • Body image, self-perception, self-esteem, mental health
  • Generation Z, teenagers, adolescents, youth

Search for relevant sources

Use your keywords to begin searching for sources. Some useful databases to search for journals and articles include:

  • Your university’s library catalogue
  • Google Scholar
  • Project Muse (humanities and social sciences)
  • Medline (life sciences and biomedicine)
  • EconLit (economics)
  • Inspec (physics, engineering and computer science)

You can also use boolean operators to help narrow down your search.

Make sure to read the abstract to find out whether an article is relevant to your question. When you find a useful book or article, you can check the bibliography to find other relevant sources.

You likely won’t be able to read absolutely everything that has been written on your topic, so it will be necessary to evaluate which sources are most relevant to your research question.

For each publication, ask yourself:

  • What question or problem is the author addressing?
  • What are the key concepts and how are they defined?
  • What are the key theories, models, and methods?
  • Does the research use established frameworks or take an innovative approach?
  • What are the results and conclusions of the study?
  • How does the publication relate to other literature in the field? Does it confirm, add to, or challenge established knowledge?
  • What are the strengths and weaknesses of the research?

Make sure the sources you use are credible , and make sure you read any landmark studies and major theories in your field of research.

You can use our template to summarize and evaluate sources you’re thinking about using. Click on either button below to download.

Take notes and cite your sources

As you read, you should also begin the writing process. Take notes that you can later incorporate into the text of your literature review.

It is important to keep track of your sources with citations to avoid plagiarism . It can be helpful to make an annotated bibliography , where you compile full citation information and write a paragraph of summary and analysis for each source. This helps you remember what you read and saves time later in the process.

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To begin organizing your literature review’s argument and structure, be sure you understand the connections and relationships between the sources you’ve read. Based on your reading and notes, you can look for:

  • Trends and patterns (in theory, method or results): do certain approaches become more or less popular over time?
  • Themes: what questions or concepts recur across the literature?
  • Debates, conflicts and contradictions: where do sources disagree?
  • Pivotal publications: are there any influential theories or studies that changed the direction of the field?
  • Gaps: what is missing from the literature? Are there weaknesses that need to be addressed?

This step will help you work out the structure of your literature review and (if applicable) show how your own research will contribute to existing knowledge.

  • Most research has focused on young women.
  • There is an increasing interest in the visual aspects of social media.
  • But there is still a lack of robust research on highly visual platforms like Instagram and Snapchat—this is a gap that you could address in your own research.

There are various approaches to organizing the body of a literature review. Depending on the length of your literature review, you can combine several of these strategies (for example, your overall structure might be thematic, but each theme is discussed chronologically).

Chronological

The simplest approach is to trace the development of the topic over time. However, if you choose this strategy, be careful to avoid simply listing and summarizing sources in order.

Try to analyze patterns, turning points and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred.

If you have found some recurring central themes, you can organize your literature review into subsections that address different aspects of the topic.

For example, if you are reviewing literature about inequalities in migrant health outcomes, key themes might include healthcare policy, language barriers, cultural attitudes, legal status, and economic access.

Methodological

If you draw your sources from different disciplines or fields that use a variety of research methods , you might want to compare the results and conclusions that emerge from different approaches. For example:

  • Look at what results have emerged in qualitative versus quantitative research
  • Discuss how the topic has been approached by empirical versus theoretical scholarship
  • Divide the literature into sociological, historical, and cultural sources

Theoretical

A literature review is often the foundation for a theoretical framework . You can use it to discuss various theories, models, and definitions of key concepts.

You might argue for the relevance of a specific theoretical approach, or combine various theoretical concepts to create a framework for your research.

Like any other academic text , your literature review should have an introduction , a main body, and a conclusion . What you include in each depends on the objective of your literature review.

The introduction should clearly establish the focus and purpose of the literature review.

Depending on the length of your literature review, you might want to divide the body into subsections. You can use a subheading for each theme, time period, or methodological approach.

As you write, you can follow these tips:

  • Summarize and synthesize: give an overview of the main points of each source and combine them into a coherent whole
  • Analyze and interpret: don’t just paraphrase other researchers — add your own interpretations where possible, discussing the significance of findings in relation to the literature as a whole
  • Critically evaluate: mention the strengths and weaknesses of your sources
  • Write in well-structured paragraphs: use transition words and topic sentences to draw connections, comparisons and contrasts

In the conclusion, you should summarize the key findings you have taken from the literature and emphasize their significance.

When you’ve finished writing and revising your literature review, don’t forget to proofread thoroughly before submitting. Not a language expert? Check out Scribbr’s professional proofreading services !

This article has been adapted into lecture slides that you can use to teach your students about writing a literature review.

Scribbr slides are free to use, customize, and distribute for educational purposes.

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If you want to know more about the research process , methodology , research bias , or statistics , make sure to check out some of our other articles with explanations and examples.

  • Sampling methods
  • Simple random sampling
  • Stratified sampling
  • Cluster sampling
  • Likert scales
  • Reproducibility

 Statistics

  • Null hypothesis
  • Statistical power
  • Probability distribution
  • Effect size
  • Poisson distribution

Research bias

  • Optimism bias
  • Cognitive bias
  • Implicit bias
  • Hawthorne effect
  • Anchoring bias
  • Explicit bias

A literature review is a survey of scholarly sources (such as books, journal articles, and theses) related to a specific topic or research question .

It is often written as part of a thesis, dissertation , or research paper , in order to situate your work in relation to existing knowledge.

There are several reasons to conduct a literature review at the beginning of a research project:

  • To familiarize yourself with the current state of knowledge on your topic
  • To ensure that you’re not just repeating what others have already done
  • To identify gaps in knowledge and unresolved problems that your research can address
  • To develop your theoretical framework and methodology
  • To provide an overview of the key findings and debates on the topic

Writing the literature review shows your reader how your work relates to existing research and what new insights it will contribute.

The literature review usually comes near the beginning of your thesis or dissertation . After the introduction , it grounds your research in a scholarly field and leads directly to your theoretical framework or methodology .

A literature review is a survey of credible sources on a topic, often used in dissertations , theses, and research papers . Literature reviews give an overview of knowledge on a subject, helping you identify relevant theories and methods, as well as gaps in existing research. Literature reviews are set up similarly to other  academic texts , with an introduction , a main body, and a conclusion .

An  annotated bibliography is a list of  source references that has a short description (called an annotation ) for each of the sources. It is often assigned as part of the research process for a  paper .  

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How To Complete A Project Evaluation: Tips & Benefits

Moira Alexander

Expert Evidence

Galen is a digital project manager with over 10 years of experience shaping and delivering human-centered digital transformation initiatives in government, healthcare, transit, and retail. He is a digital project management nerd, a cultivator of highly collaborative teams, and an impulsive sharer of knowledge. He's also the co-founder of The Digital Project Manager and host of The DPM Podcast.

Why bother with project evaluations? They’re your ticket to looking back on what went great, spotting areas for improvement, and making smarter choices for future projects. Here's how to get one done.

project evaluation featured image

You know that feeling when you've just wrapped up a project? You're exhausted, proud, excited, and mostly just ready to move on to the next challenge. But there's one crucial step left: completing a project evaluation.

In this article, I’ll discuss the many benefits of project evaluations, practical tips on how and when to conduct one, and how project management software can help. 

What Is Project Evaluation?

The project evaluation process systematically assesses and analyzes a project's performance, outcomes, and impacts against pre-defined objectives and criteria. 

Why is project evaluation important? It’s a valuable tool for learning through retrospection . Completing one can help you reflect on your project's overall performance, identify improvement areas, and make informed decisions about future projects. 

When Should You Complete A Project Evaluation?

When should you complete a project evaluation infographic

Project evaluations aren’t just a box to check off—they’re an important part of the project management process. They’re also not just for reflecting at the end of your projects. Conducting a project evaluation can help provide a detailed look at what to expect during your project, how your project is going, and how you can make things better next time. 

You can evaluate your project at any time, but it is especially important at three key points in your project life cycle .

Pre-Project Evaluation

When creating your project charter , you should evaluate its feasibility and share it with your team members and stakeholders. Before moving forward, a pre-project evaluation plan ensures you can justify the project's relevance, benefits, and effectiveness. 

With the pre-project evaluation, you’re actually completing all of the information that will go into your project charter, including: 

  • Project goals
  • Project scope
  • Responsibilities
  • Potential risks

This information provides the basis and justification for your project to gain approval. 

Pre-project evaluations differ from ongoing and post-project evaluations, which are focused more on taking corrective action either during or after a project has been completed.

Ongoing Project Evaluation

You should continually evaluate your projects in real time throughout the project life cycle to ensure they’re progressing as planned and meeting all scheduling and budget milestones. Your previously determined KPIs (Key Performance Indicators) will serve as your guide for evaluation here. The use of project management software can also make this process much easier, as it ensures that all of your data is centrally available. 

Post-Project Evaluation

At project completion, once deliverables are provided, the project has been closed, and lessons learned have been discussed and documented, you should review all paperwork and analyze all applicable data. This can help you identify what worked and what went wrong to get a clear picture of how to improve future projects.

Two Common Types Of Project Evaluation Methods 

You can use these two effective evaluation methodologies at different project phases.

Formative Evaluation

This evaluation approach is the process of gathering feedback and analyzing data while a project is ongoing. During the project planning and implementation phase, formative evaluation can help with the following:

  • Providing feedback and guidance to improve project performance and outcomes
  • Identifying issues earlier on in the project
  • Making the necessary adjustments to ensure project success

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Summative Evaluation

A summative evaluation helps you assess your project's overall impact and effectiveness once the project has been completed. This evaluation approach can help with:

  • Measuring how well a project’s objectives were achieved 
  • Outlining what outcomes were delivered
  • Guiding future decision-making

How To Complete A Project Evaluation

Now, let’s get into the four essential steps needed to evaluate your projects effectively. These steps will primarily help you complete ongoing and post-project evaluations. 

Step 1: Define Evaluation Criteria

The first step to completing a project evaluation is to establish clear evaluation criteria. These guidelines ensure that your project work aligns with the project's objectives, goals, scope, and expected outcomes. Defining specific evaluation criteria ensures that your assessment will be focused, relevant, and meaningful. 

Make sure to use KPIs (key performance indicators) that will help you measure success, such as:

Payback period analysis. This measures the amount of time it will take to recover the net initial investment in a project. Think of it as measuring the project investment risk. 

  • Calculation: Payback period = Amount of the investment ÷ annual cash flow
  • Hint: The goal is the have a shorter recovery period.

Accounting rate of return (ARR). This KPI measures a project's financial return. 

  • Calculation: Accounting rate of return = Annual net income ÷ initial investment
  • Hint: Investments with a higher ARR are likely to be better.

Net present value (NPV). This calculates all expected future cash inflows and outflows to determine a project's expected net monetary gain or loss.

  • Calculation: NPV = Today's value of the expected cash flows − Today's value of invested cash.

Step 2: Gather Relevant Project Data

Collecting relevant quantitative and qualitative data about the project will help provide a comprehensive view of your project's performance, which is essential for comparing against expectations. 

  • Quantitative data : This type of data identifies measurable things like how many, how much, or how often. 
  • Qualitative data : This data type uncovers certain behavioral things like why, how, or what happened.

Relevant data gathering sources might include:

  • Project documentation (project objectives, goals, deliverables, and metrics)
  • Performance reports
  • Previous evaluation reports
  • Stakeholder feedback
  • Surveys and interviews
  • Focus groups
  • Case studies
  • Industry benchmarks

Step 3: Carefully Analyze Data

Once you’ve gathered your data, it’s time to analyze it. This process involves examining trends, patterns, and relationships in the data to identify key findings and conclusions. This will help you uncover strengths, weaknesses, opportunities, and threats related to the project. 

This is especially important for correcting actions throughout projects and making calculated decisions about future initiatives.

With large amounts of data to sift through, isolating what to look for can feel overwhelming. I advise utilizing project goals and outcomes as the basis for determining the type of information you need.

Step 4: Draw Conclusions

Based on the data analysis, draw conclusions about the project's performance, impact, and success in achieving its objectives. Identify things like:

  • Key takeaways
  • Lessons learned
  • Areas for improvement 

These conclusions are necessary to support corrective actions and for data-driven decisions in future projects. All conclusions and corrective actions should be discussed and centrally shared with all stakeholders, preferably through project management software. This is where KPIs will help you isolate how well your project is performing and what you need to change in the future to enhance project delivery.

5 Benefits Of Project Evaluation

Project evaluations are essential to learning from your mistakes and delivering successful projects in the future. Here are some worthwhile project evaluation benefits.

1. Developing best practices

Through project evaluation, you can identify and document best practices that have contributed to project success. In doing so, your company can replicate these best practices in future projects to improve performance and outcomes.

It’s important for companies to develop, document, and communicate all best practices in person. Keeping everyone on the same page going forward also requires maintaining a central repository for best practices that everyone can refer to at any time to ensure consistency.

2. Promoting a culture of learning and continuous improvement

Regular project evaluation promotes a culture of learning and continuous improvement. By reflecting on past projects, your company can achieve the following:

  • Identify lessons learned
  • Implement corrective actions
  • Enhance project management practices
  • Build company-wide knowledge
  • Foster innovation and creativity 

3. Enhancing stakeholder satisfaction 

Project evaluations provide your company with valuable insights into stakeholder needs, preferences, and expectations. By understanding stakeholder perspectives, your company can further tailor project delivery to meet stakeholder requirements. This ultimately enhances stakeholder satisfaction and builds strong relationships.

4. Increasing accountability and transparency

Evaluation helps enhance accountability and transparency in project management. Evaluating project performance and results ensures your company can demonstrate its commitment to delivering quality outcomes and utilizing resources efficiently. Increased transparency builds and strengthens trust with stakeholders and enhances your company’s credibility.

5. Supporting evidence-based decision-making

By collecting and analyzing data on project performance, organizations can make more informed decisions about resource allocation , strategic direction, and future project investments. This data-driven approach ensures all decisions are based on facts rather than assumptions, leading to better outcomes and increased impact.

3 Common Project Evaluation Mistakes 

Here are some of the potential mistakes you may make while completing a project evaluation and things you can do to prevent them.  

Mistake 1: Lack of Clear Objectives 

A common mistake in project evaluation is not defining clear objectives and criteria for assessment. Without clear objectives, measuring a project's success and deriving meaningful insights for improvement becomes challenging.

I’ve often seen project managers rush through this step only to watch their projects go off track, miss goals and deliverables, or require modifying the project scope more than once. My advice is to slow things down and allow ample time to form clear objectives at the start of a project.

Mistake 2: Ignoring Stakeholder Feedback

Another mistake is disregarding stakeholder feedback in the evaluation process. Try to remember that stakeholders often have more experience and insight into how a project impacts their role and how a project will be impacted. 

Stakeholders are integral to your project's success, and their perspectives should be incorporated at all evaluation points to ensure you have a comprehensive assessment.

Mistake 3: Failing to Act on Findings

Another significant mistake is not taking action based on evaluation findings. Translating evaluation results into actionable recommendations and implementing changes is essential for driving continuous improvement. Some key things need to be done to act on learnings:

  • Communicate all initial findings and potential solutions with all relevant stakeholders, both in person and in writing 
  • Document and evaluate each recommended solution and its impact
  • Seek input from stakeholders and subject matter experts
  • Adjust solutions where needed
  • Assign solutions
  • Measure and document the results
  • Repeat these steps as needed

Questions To Ask During A Project Evaluation

Completing project evaluations successfully requires you and your team to be able to answer a few key questions. Use these to help guide your evaluations at different stages throughout the project:

Setting project goals and objectives

  • What are the business drivers behind the project?
  • What’s the purpose of the project?
  • Is the project essential, and will it align with the company’s strategy?
  • What are the project’s goals and their priorities?
  • Who will champion or sponsor the project?

Defining project scope and deliverables

  • Is the project scope realistic?
  • Does the scope of the project detail everything that matters?
  • What are each of the deliverables, and can they be achieved within scope?
  • What assumptions are built in?

Identifying project stakeholders

  • Are all stakeholders identified and available?
  • Who are the stakeholders?
  • Has the project been communicated with all stakeholders? When?
  • Are they fully invested in the project? If not, why?
  • Does the project team have the right skills and capabilities?

Developing a project timeline and milestones

  • What is the timeline, and how was it determined?
  • Is it realistic?
  • Has a contingency plan been put in place if tasks or the project isn’t completed on time?
  • What KPIs will be used to measure success?

Allocating resources and budget

  • Are the right resources assigned to project tasks?
  • Is the project budget realistic?

Implementing project monitoring and control measures

  • How and when will project performance be measured?
  • Who will be responsible for monitoring different aspects of the project?
  • What measures will be in place for change control?
  • How and when will changes be communicated?

Analyzing project results and lessons learned

  • What criteria will be used for analysis and identifying the right questions?
  • What tools will be used to track results?
  • What tools will be used to analyze results?
  • When will results be communicated, and how?
  • When and where will lessons learned be documented and communicated?
  • Who will lessons learned be communicated with?
  • What is the process of acting on lessons learned?

It’s important to note that this isn’t an exhaustive list. Depending on the situation and the project, other questions may need to be addressed to complete a full evaluation. 

Project Evaluation Tools That Can Help 

Evaluating projects can generate numerous action items and moving pieces. I would advise anyone completing a project evaluation to gather feedback using survey tools, use data analytics platforms to decipher findings, and leverage project management software with dashboards to track everything in real time.

Project Management Software

Project management software such as Monday.com , Wrike , or SmartSheet can help in tracking and monitoring project progress, milestones, and key performance indicators. Some of these tools also provide real-time visibility into project status and simplify data collection for evaluation purposes. 

Here are the best tools for helping you monitor project progress and evaluate success.

  • 1. monday.com — Best for workflow automation
  • 2. Wrike — Best for large projects and scaling organizations
  • 3. Celoxis — Best for Project Management with BI analytics and dashboards
  • 4. ClickUp — Best for task customization
  • 5. Jira — Best for cross-team project tracking
  • 6. Zoho Projects — Best for integration with Zoho Suite
  • 7. Visor — Best for spreadsheet-based management
  • 8. Quickbase — Best for process automation
  • 9. Hub Planner — Best for resource scheduling
  • 10. Workzone — Best for comprehensive project visibility

literature review and project success

Surveys and Feedback Tools

Surveys and feedback tools like SurveyMonkey, Google Forms, or Jotform can be used to gather stakeholder feedback, opinions, and satisfaction levels. They can help you collect valuable insights for project evaluation and improvement.

Data Analytics Platforms

Data analytics platforms like Tableau, Power BI, or Google Analytics are great tools for analyzing project data and deriving meaningful insights. These platforms offer advanced data visualization capabilities, predictive analytics, and reporting functionalities to support evidence-based decision-making. Some project management tools have built-in analytics tools or integrate with analytics tools. The most useful project management dashboards provide dynamic tools that allow analysis of current projects and completed and canceled projects for future analytics.

Remember, completing ongoing evaluations is essential for assessing your current and future project performance, identifying areas for improvement, and driving future success. Following the steps outlined in this article, using project management software and analytics tools, and avoiding some of the common mistakes will set you on the path toward successful projects.

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Bibliometrics & citations, view options, recommendations, data-driven effort estimation techniques of agile user stories: a systematic literature review.

At an early stage in the development process, a development team must obtain insight into the software being developed to establish a reliable plan. Thus, the team members should investigate, in depth, any information relating to the development. ...

Effort estimation in agile software development: a survey on the state of the practice

Context: There are numerous studies on effort estimation in Agile Software Development (ASD) and the state of the art in this area has been recently documented in a Systematic Literature Review (SLR). However, to date there are no studies on the state ...

Data-driven agile software cost estimation models for DHS and DoD

Since the Manifesto for Agile Software Development, the cost analysis community has struggled to find the most appropriate size measures for developing accurate agile software development cost estimates at an early ...

  • Functional Story and Issues are good predicters of effort for agile development.

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  • DOI: 10.53898/jsce2024115
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Analysis of the Relationship Between Engineering Project Management and Engineering Product Development: A Review

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  • Systematic review
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Teamwork and implementation of innovations in healthcare and human service settings: a systematic review

  • Elizabeth A. McGuier   ORCID: orcid.org/0000-0002-6219-6358 1 ,
  • David J. Kolko 1 ,
  • Gregory A. Aarons 2 , 3 , 4 ,
  • Allison Schachter 5 , 6 ,
  • Mary Lou Klem 7 ,
  • Matthew A. Diabes 8 ,
  • Laurie R. Weingart 8 ,
  • Eduardo Salas 9 &
  • Courtney Benjamin Wolk 5 , 6  

Implementation Science volume  19 , Article number:  49 ( 2024 ) Cite this article

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Implementation of new practices in team-based settings requires teams to work together to respond to new demands and changing expectations. However, team constructs and team-based implementation approaches have received little attention in the implementation science literature. This systematic review summarizes empirical research examining associations between teamwork and implementation outcomes when evidence-based practices and other innovations are implemented in healthcare and human service settings.

We searched MEDLINE, CINAHL, APA PsycINFO and ERIC for peer-reviewed empirical articles published from January 2000 to March 2022. Additional articles were identified by searches of reference lists and a cited reference search for included articles (completed in February 2023). We selected studies using quantitative, qualitative, or mixed methods to examine associations between team constructs and implementation outcomes in healthcare and human service settings. We used the Mixed Methods Appraisal Tool to assess methodological quality/risk of bias and conducted a narrative synthesis of included studies. GRADE and GRADE-CERQual were used to assess the strength of the body of evidence.

Searches identified 10,489 results. After review, 58 articles representing 55 studies were included. Relevant studies increased over time; 71% of articles were published after 2016. We were unable to generate estimates of effects for any quantitative associations because of very limited overlap in the reported associations between team variables and implementation outcomes. Qualitative findings with high confidence were: 1) Staffing shortages and turnover hinder implementation; 2) Adaptive team functioning (i.e., positive affective states, effective behavior processes, shared cognitive states) facilitates implementation and is associated with better implementation outcomes; Problems in team functioning (i.e., negative affective states, problematic behavioral processes, lack of shared cognitive states) act as barriers to implementation and are associated with poor implementation outcomes; and 3) Open, ongoing, and effective communication within teams facilitates implementation of new practices; poor communication is a barrier.

Conclusions

Teamwork matters for implementation. However, both team constructs and implementation outcomes were often poorly specified, and there was little overlap of team constructs and implementation outcomes studied in quantitative studies. Greater specificity and rigor are needed to understand how teamwork influences implementation processes and outcomes. We provide recommendations for improving the conceptualization, description, assessment, analysis, and interpretation of research on teams implementing innovations.

Trial registration

This systematic review was registered in PROSPERO, the international prospective register of systematic reviews. Registration number: CRD42020220168.

Peer Review reports

Contributions to the Literature:

This paper reviews more than 20 years of research on teams and implementation of new practices in healthcare and human service settings.

We concluded with high confidence that adaptive team functioning is associated with better implementation outcomes and problems in team functioning are associated with poorer implementation outcomes. While not surprising, the implementation science literature has lacked clear empirical evidence for this finding.

Use of the provided recommendations will improve the quality of future research on teams and implementation of evidence-based practices.

Healthcare and human service providers (e.g., clinicians, case managers) often work in team-based settings where professionals work collaboratively with one another and service recipients toward shared goals [ 1 , 2 ]. Team-based care is intended to include multiple professionals with varying skills and expertise [ 1 , 3 ]. It requires shared responsibility for outcomes and increases team members’ dependence on one another to complete work [ 1 , 3 , 4 ]. Effective team-based care and higher quality teamwork are associated with improvements in care access and quality, patient safety, patient satisfaction, clinical outcomes, and costs [ 2 , 4 , 5 , 6 , 7 , 8 , 9 ].

We use the term ‘teamwork’ to refer to an array of team constructs using the input-mediator-outcome-input (IMOI) framework (Fig.  1 ) [ 10 , 11 , 12 ]. The IMOI framework recognizes that team interactions are dynamic and complex, with processes unfolding over time and feedback loops between processes, outcomes, and inputs [ 10 ]. Team inputs include team structure and composition, task demands, and contextual features [ 13 ]. Mediators are aspects of team functioning (i.e., what team members think, feel, and do [ 12 ]) through which inputs influence outcomes. These processes and emergent states may be cognitive, affective, or behavioral [ 5 , 14 , 15 , 16 ]. Team effectiveness outcomes are multidimensional and include team performance as well as team viability and the impact of the team on members’ development [ 12 , 17 , 18 , 19 ].

figure 1

Conceptual model of team effectiveness and key terminology. Figure adapted from “Advancing research on teams and team effectiveness in implementation science: An application of the Exploration, Preparation, Implementation, Sustainment (EPIS) framework” by E.A. McGuier, D.J. Kolko, N.A. Stadnick, L. Brookman-Frazee, C.B. Wolk, C.T. Yuan, C.S. Burke, & G.A. Aarons, 2023, Implementation Research and Practice , 4 , 26334895231190855. [CC BY-NC]

Implementation of new practices in team-based service settings requires team members to work together to respond to changing demands and expectations. Extensive research has identified barriers and facilitators to implementation of new practices at the individual provider, organization, and system levels; however, the team level has received little empirical attention [ 20 , 21 ]. This is a problem because implementation efforts increasingly rely on teams, and responses to a new practice are likely to be influenced by team characteristics and processes. See McGuier and colleagues [ 20 ] for an overview of team constructs in the context of implementation science and the Exploration, Preparation, Implementation, Sustainment (EPIS) framework [ 22 , 23 ]. Given increasing use of team-based care and interest in implementation strategies targeting teams, examining how teamwork is associated with implementation processes and outcomes is critical. This systematic review identified and summarized empirical research examining associations between teamwork and implementation outcomes when evidence-based practices (EBPs) and other innovations were implemented in healthcare and human service settings.

This systematic review was registered (PROSPERO; registration number: CRD42020220168) and conducted following the published protocol [ 24 ]. The review was conducted in accordance with PRISMA and SWiM guidance [ 25 , 26 ]; relevant checklists are in Additional File 1.

Information sources and search strategy

We searched the following databases: MEDLINE (Ovid), CINAHL (Ebsco), APA PsycINFO (Ovid), and ERIC (Ebsco). Database searches were run on August 7, 2020, and again on March 8, 2022. For all searches, a publication date from 2000 to current was applied; there were no language restrictions (see [ 24 ]). An experienced health sciences librarian (MLK) designed the Ovid MEDLINE search and translated that search for use in the other databases (see additional file in [ 24 ]). The search strings consisted of controlled vocabulary (when available) and natural language terms representing concepts of teamwork and implementation science or innovation or evidence-based practice. Results were downloaded to an EndNote (version X9.3.3) library and duplicate records removed [ 27 ]. Additional relevant articles were identified by hand searches of reference lists of included articles, a cited reference search for included articles in the Web of Science (Clarivate) bibliographic database (completed in February 2023), and requests sent to implementation science listservs and centers for suggestions of relevant articles.

Eligibility criteria

We included empirical journal articles describing studies using quantitative, qualitative, or mixed methods. Study protocols, reviews, and commentaries were excluded. All studies were conducted in healthcare or human service settings (e.g., hospitals, clinics, child welfare) and described the implementation of a practice to improve patient care. Studies of interventions to improve teamwork (e.g., team building interventions) and studies of teams created to implement the innovation (e.g., quality improvement teams, implementation support teams) were excluded. Eligible studies assessed at least one team construct and described its influence on implementation processes and outcomes.

Changes from protocol

Several changes were made from our systematic review protocol (PROSPERO CRD42020220168; [ 24 ]). Specifically, during the full-text review stage, we broadened the scope from team functioning (i.e., processes and states) to include team structure and performance because of the small number of studies that assessed and reported specific processes or states. This change increased the number of included studies. Similarly, because implementation outcomes were often inconsistently defined and poorly reported [ 28 , 29 , 30 ], we broadened our scope to include studies that identified team constructs as implementation determinants (i.e., barriers/facilitators) without explicitly defining and measuring an implementation outcome. Because of changes in university access to bibliographic databases, the cited reference search was performed in the Web of Science only instead of the Web of Science and Scopus. This bibliographic database indexes more than 21,000 scientific journals [ 31 ]. Lastly, because of time and resource constraints, we did not search conference abstracts or contact authors for unreported data.

Selection process and data extraction

Title/abstract screening and review of full-text articles were conducted by pairs of trained independent reviewers in DistillerSR. Conflicts were resolved through re-review, discussion between reviewers, and when needed, discussion with a senior team member (EAM). A final review of all included articles was conducted by EAM. Relevant data from each article was extracted into an Excel spreadsheet by one reviewer (AS). A second reviewer (EAM) conducted a line-by-line review and verification. Our data extraction form was informed by existing forms and guides (e.g., [ 32 , 33 ]). For each included study, we extracted information on measures of teamwork and implementation-relevant outcomes, characteristics of the setting, teams, and participants, analysis methods, and results. For quantitative studies, we recorded correlation coefficients and/or regression coefficients as standardized metrics of association. For qualitative studies, we recorded themes [ 33 ].

Quality and risk of bias assessment

The Mixed Methods Appraisal Tool (MMAT) [ 34 ] was used to evaluate quality and risk of bias for each included study. Multiple publications from the same study were evaluated separately because they reported different outcomes. Consistent with Powell and colleagues [ 35 ], quality evaluations were only made for the components of the study relevant to our question. Quality evaluations were conducted by two independent reviewers (EAM, MAD) with discrepancies resolved through consensus discussion. After completing the MMAT, the reviewers jointly categorized each article as high, moderate, or low quality. High quality studies were those with affirmative responses to all MMAT questions. Moderate quality studies had at least one minor methodological problem, and low-quality studies had serious flaws (e.g., qualitative studies with poor coherence between data, analysis, and conclusions; quantitative studies with biased samples and/or inappropriate statistical analyses).

We rated the relevance of each publication to our research question as high, moderate, or low. Highly relevant studies reported implementation of a well-defined innovation, thoroughly described team constructs and implementation outcomes, and clearly linked team constructs to implementation outcomes. Most studies rated as low relevance provided very limited information about teamwork and/or implementation outcomes. Studies that only described barriers/facilitators were rated as low or moderate relevance. Ratings were conducted by two independent reviewers (EAM, CBW) with discrepancies resolved through consensus discussion.

Data synthesis

We conducted a narrative synthesis of included studies following guidelines for synthesis without meta-analysis (SWiM) [ 36 ]. We prioritized reporting of high quality, highly relevant studies. Studies categorized as low quality and/or low relevance were not included in the synthesis but are included in the description of study characteristics to convey the breadth of the literature. We organized studies based on the IMOI framework (i.e., team inputs, processes/states, and outputs) and organized studies of processes/states by affective, behavioral, and cognitive constructs when possible. Because of the heterogeneity in team constructs and implementation outcomes, we were unable to quantitatively synthesize results using meta-analysis or formally investigate heterogeneity; this challenge is common in implementation science systematic reviews [ 30 ]. We assessed the strength of the overall body of evidence with GRADE for quantitative studies [ 37 ] and GRADE-CERQual for qualitative studies [ 38 , 39 ]. GRADE results in ratings of high, moderate, low, or very low quality of evidence for each outcome of interest. GRADE-CERQual results in ratings of high, moderate, low, or very low confidence in each review finding. GRADE ratings were made independently with discrepancies resolved through consensus discussion; GRADE-CERQual ratings were made through iterative discussions as recommended [ 39 ]. All ratings and decisions were made by the first and senior authors.

Search results

Our initial search, after removal of duplicates, yielded 7181 results. The second search (August 2020-March 2022) captured an additional 1341 results. The cited reference search yielded 1961 results. A total of 10,489 results were included in title/abstract review. Figure  2 provides a PRISMA flow diagram for included studies. After full-text review, 58 articles from 55 studies were included in analyses [ 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 , 71 , 72 , 73 , 74 , 75 , 76 , 77 , 78 , 79 , 80 , 81 , 82 , 83 , 84 , 85 , 86 , 87 , 88 , 89 , 90 , 91 , 92 , 93 , 94 , 95 , 96 , 97 ].

figure 2

PRISMA flow diagram of included articles. From: Page MJ, McKenzie JE, Bossuyt PM, Boutron I, Hoffmann TC, Mulrow CD, et al. The PRISMA 2020 statement: an updated guideline for reporting systematic reviews. BMJ 2021;372:n71. https://doi.org/10.1136/bmj.n71 . For more information, visit: http://www.prisma-statement.org/

As shown in Fig.  3 , publications on teamwork and implementation have increased substantially since 2000. Three articles on this topic (5%) were published between 2000 and 2007, 14 (24%) between 2008 and 2015, and 41 (71%) between 2016 and early 2023.

figure 3

Included articles by year of publication

Study characteristics

Interrater agreement was good for assessment of study quality (81% agreement on MMAT questions) and ratings of relevance (88% agreement). There were 20 high quality articles, 23 moderate quality articles, and 15 low quality articles. Fourteen articles were rated as high relevance, 22 as moderate, and 22 as low relevance. Only 4 were rated as both high quality and high relevance. We report study characteristics for all 58 eligible articles. Our narrative synthesis includes 32 articles categorized as moderate/high quality and moderate/high relevance; it excludes 26 articles categorized as low quality and/or relevance.

Studies were conducted in inpatient healthcare ( n  = 22), outpatient/ambulatory healthcare ( n  = 21), mental health settings ( n  = 9), and other settings (e.g., residential facilities, multiple settings; n  = 6). There were 33 qualitative, 15 quantitative, and 10 mixed methods studies. All quantitative studies were descriptive observational studies.

Most studies examined team processes/states ( n  = 53); fewer examined team inputs ( n  = 27). Only two studies examined a team effectiveness outcome. The most common implementation outcomes were fidelity ( n  = 16) and other specified implementation outcomes (e.g., “extent of use,” “implementation success”) ( n  = 15). Less frequently identified implementation outcomes included adoption ( n  = 5), sustainment ( n  = 4), reach ( n  = 4), and perceptions of the innovation (e.g., acceptability, appropriateness, feasibility; n  = 3). Approximately one-third of studies ( n  = 21) did not report specific implementation outcomes but described implementation determinants (i.e., barriers and facilitators).

Synthesis: team inputs & implementation outcomes

Team inputs examined in studies included team stability/instability and staffing shortages, aspects of team structure and composition, interdependence, and hierarchy and professional roles. Quantitative findings are presented in Table  1 . A CERQual Summary of Qualitative Findings related to team inputs is shown in Table  2 . A CERQual Evidence Profile is provided in Additional File 2 (Table A1).

Team stability/instability and staffing shortages

Team stability/instability (i.e., consistency in membership over time) was examined in one mixed methods study [ 48 , 49 ] and three qualitative studies [ 70 , 81 , 94 ]. A study of surgical teams found variations in membership stability but no association between stability and “implementation success” (i.e., composite measure based on number of uses of new technique, proportion of uses, and changes in use) [ 48 , 49 ]. The authors suggested that stability facilitates the development of team coordination but that selecting small and exclusive teams may limit the spread of innovations within the organization. Another study found that a dedicated and stable team in which members were selected and trained together in the use of a new surgical technique led to quicker uptake and better integration into practice, theorizing that dedicated and stable teams increased trust, motivation, and collaborative problem-solving [ 81 ]. However, dedicated teams were difficult to sustain, and some sites instead used rotating team members from a larger pool of trained staff. In rural primary care, stability of team members facilitated sustainment of memory care clinics [ 70 ]. Lastly, another study in primary care found mixed perceptions of stable vs. rotating staff when adding a new team role (i.e., health coach); some team members liked rotating through different roles while others wanted more stability [ 94 ]. Across studies, we found that dedicated and stable team members facilitate implementation while instability in team membership is a barrier to implementation (moderate confidence).

Qualitative studies identified staffing shortages and turnover on teams as barriers to implementation [ 50 , 67 , 75 , 78 , 92 ]. In Veterans Health Administration (VA) clinics, “inadequate staffing posed an insurmountable barrier,” hindering communication and delivery of optimal care during the implementation of the patient-centered medical home (PCMH) model [ 92 ]. Similarly, staff shortages, turnover, and high workloads hindered guideline implementation in Kenyan hospitals [ 75 ]. Two studies found negative impacts of staffing shortages and turnover on sustainment. Staff turnover contributed to discontinuity in Dialectical Behavior Therapy (DBT) team members [ 78 ], and appropriate staffing (i.e., ensuring manageable workloads) and blocking time for team members were identified as critical to sustainment of a team-based model in the VA [ 67 ]. We found that staffing shortages and turnover hinder implementation (high confidence).

Team structure/composition

Studies examined multiple aspects of team structure and composition, specifically team size, workload, longevity (i.e., how long team members had worked together), history of change, and team member characteristics. Team size was examined in two studies of DBT. In a mixed methods study, team size was positively correlated with fidelity, and qualitative data suggested that team size may increase as a result of successful implementation [ 47 ]. In contrast, another study found that DBT team size was not associated with the number of DBT components adopted and was negatively associated with reach, suggesting reach may reflect high workloads [ 72 ]. In VA mental health clinics, team workload (i.e., number of patients seen) was negatively associated with sustainment of trauma-focused therapies [ 68 ]. In these studies, team longevity and history of change were not associated with implementation outcomes [ 47 , 68 ]. Team member characteristics, specifically team member competency/expertise, experience, and commitment/engagement, were identified as facilitators of implementation in some qualitative studies [ 40 , 70 , 81 , 84 , 95 ].

Overall, few findings could be made from quantitative studies examining team structure and composition. Two studies of team size found mixed results, and workload, longevity, and history of change were examined in only one study each. Across qualitative studies, we found team member competency/expertise, experience, and commitment/engagement facilitate implementation (moderate confidence).

Team interdependence

One quantitative study examined team interdependence [ 65 ]. In multidisciplinary child abuse teams implementing a mental health screening/referral protocol, task interdependence (i.e., reliance on team members to share resources and coordinate workflows) was positively associated with reach but not time to adoption. Outcome interdependence (i.e., extent to which outcomes are evaluated at the team vs. individual level) was significantly negatively correlated with time to adoption but not reach. Neither task nor outcome interdependence were associated with team members’ perceptions of acceptability, appropriateness, or feasibility of the innovation [ 65 ]. Because only one study examined interdependence, no review findings were made.

Hierarchy & professional roles

Hierarchy, power distributions, and rigid roles were identified as barriers to implementation in several qualitative studies [ 50 , 53 , 74 , 97 ]. Flatter hierarchies (i.e., more equal distribution of power and authority) supported guideline implementation in pediatric primary care; practices with low compliance to guidelines had more hierarchical relationships while practices with high compliance had more shared decision-making [ 97 ]. In a setting with hierarchy and rigid division of roles, nurses trained in an innovation reported concern that their decisions would be questioned by physicians without expertise in the innovation but more authority [ 74 ]. Similarly, in surgical teams, rigid professional roles and a hierarchical team culture constrained open discussion and created contention over how and when a “time-out” should be completed, resulting in inconsistent use and poor fidelity [ 50 , 53 ]. Across studies, we found that in multidisciplinary settings, rigid professional roles, hierarchical relationships, and power differentials are barriers to implementation (moderate confidence).

Summary of team inputs & implementation outcomes

There was no overlap among team input variables and implementation outcomes examined in quantitative studies (Table  1 ). Accordingly, we were unable to generate estimates of effects or ratings of evidence quality. Qualitative review findings are shown in Table  2 . We found: 1) Dedicated and stable team members facilitate implementation while instability in team membership is a barrier to implementation (moderate confidence); 2) Staffing shortages and turnover hinder implementation (high confidence); 3) Team member competency/expertise, experience, and commitment/engagement facilitate implementation (moderate confidence); and 4) In multidisciplinary settings, rigid professional roles, hierarchical relationships, and power differentials are barriers to implementation (moderate confidence).

Synthesis: team processes/states & implementation outcomes

Studies examined overall team functioning as well as specific affective states, behavioral processes, and cognitive states. Quantitative findings are presented in Table  3 , and a GRADE Evidence Profile is provided in Additional File 2 (Table A2). A CERQual Summary of Qualitative Findings related to team processes and states is shown in Table  4 . A CERQual Evidence Profile is provided in Additional File 2 (Table A3).

Overall team functioning

Nine studies examined quantitative associations between overall team functioning and implementation outcomes. Team functioning was positively associated with intervention fidelity in 2 of 3 studies. One study examined implementation of transition programs for adolescents with chronic health conditions in 29 teams. More positive team climate, measured by the Team Climate Inventory (i.e., shared vision, participative safety, task orientation, support for innovation), at study start was associated with greater improvements in quality of chronic care delivery one year later [ 45 ]. Additionally, improvements in team climate were associated with greater improvement in care delivery [ 45 ]. These findings were consistent across teams working with different patient populations, suggesting the influence of team climate generalizes across teams and settings [ 45 ]. Greater team climate for innovation was also associated with greater fidelity (i.e., implementation of more program elements) among DBT teams [ 47 ]. In contrast, no significant associations were found between team climate and fidelity to a multifaceted cardiovascular disease management intervention, with qualitative data suggesting variation in the influence of teamwork across practices [ 77 ]. There was no overlap in the metrics of association reported in these studies; therefore, we were unable to generate an estimate of the effect of team functioning on fidelity. The quality of the evidence for fidelity was rated very low because of serious methodological limitations, serious inconsistency, and very serious imprecision due to the small number of studies.

Three studies examined associations between teamwork and adoption, with no significant associations found. The first study found that teamwork climate (i.e., perceived quality of collaboration between personnel) was not significantly associated with adoption of a comprehensive safety program in intensive care units, although there were associations between adoption and organizational constructs (e.g., lower safety climate, more management support) [ 59 ]. In a study of DBT teams, neither positive nor negative team functioning was associated with the number of DBT modes adopted [ 72 ]. The third study assessed relational coordination (i.e., shared goals, communication, respect) in primary care practices implementing patient engagement strategies. Relational coordination was high across practices initially and did not differ for practices with high vs. low adoption, although it increased over time in practices with high adoption [ 83 ]. There was no overlap in the metrics of association reported in these studies; therefore, we were unable to generate an estimate of the effect of team functioning on adoption. The quality of the evidence was rated very low because of serious methodological limitations and very serious imprecision due to the small number of studies.

Reach and sustainment were each examined in one quantitative study. DBT teams with more negative functioning had greater reach, suggesting that reach may reflect high workloads; positive functioning was not associated with reach [ 72 ]. In VA mental health clinics, team functioning was positively correlated with sustainment of evidence-based trauma-focused psychotherapies and significantly associated with sustainment after controlling for covariates [ 68 ]. Two studies examined other implementation outcomes. One found that better team functioning was associated with greater implementation of changes to improve access to care in VA clinics [ 62 ]. In the other, primary care practices reporting better teamwork were more likely to be in later stages of transformation to PCMHs than practices with poorer teamwork [ 88 ]. Because of the small number of studies examining reach, sustainment, and other implementation outcomes, we were unable to generate estimates of effects or ratings of evidence quality for these outcomes.

Our qualitative review findings are based on 12 studies describing how team functioning influenced implementation processes and outcomes. There was considerable variation across studies in how team functioning was defined and what implementation outcomes were examined. Most findings were based on relatively thin and superficial data. Studies occurred in a variety of healthcare settings with varying resources and implemented diverse interventions. We found with high confidence that 1) Adaptive team functioning, characterized by positive affective states (e.g., trust, mutual respect, belonging), effective behavior processes (e.g., frequent communication and coordination), and shared cognitive states (e.g., clear roles, shared mental models of how to provide care), facilitates implementation and is associated with better implementation outcomes; and 2) Problems in team functioning, including negative affective states (e.g., tension, lack of trust), problematic behavioral processes (e.g., conflict, competition, poor communication), and a lack of shared cognitive states (e.g., unclear roles, lack of shared awareness, competing goals), act as barriers to implementation and are associated with poor implementation outcomes.

Affective states

Specific affective states were examined in one quantitative study, three mixed methods studies, and one qualitative study. There was no overlap in the associations between affective states and implementation outcomes reported in quantitative studies (Table  3 ). In a study of multidisciplinary teams responding to child abuse, affective integration (i.e., liking, trust, respect) was positively associated with acceptability, appropriateness, and feasibility but not time to adoption or reach [ 65 ]. In DBT teams, cohesion was associated with fidelity, and qualitative data indicated that liking one’s team members and having a shared team identity were critical to effective implementation [ 47 ]. Another study of DBT teams described conflicts and lack of safety and trust within teams resulting in their dissolution [ 78 ].

Edmondson and colleagues found that psychological safety and ease of speaking up (i.e., interpersonal climate that allows members to share questions and concerns) were associated with implementation success [ 48 , 49 ]. In teams with low psychological safety, lower-status team members were hesitant to speak up, hindering change and proficiency in the new practice [ 49 ]. Psychological safety was closely related to learning behavior within the team, including speaking up with questions and concerns [ 48 , 49 ]. From the mixed methods and qualitative studies, we found that trust, cohesion, and psychological safety within teams facilitate implementation by contributing to team members’ willingness to speak up and share experiences and feedback. Negative affective states, fear of judgment, conflict, and lack of safety hinder implementation (moderate confidence).

Behavioral processes

Specific behavioral processes, including communication, learning behavior, and coordination, were examined in two quantitative studies, two mixed methods studies, and five qualitative studies. There was no overlap in the associations between behavioral processes and implementation outcomes reported in quantitative studies (Table  3 ).

Only one study reported quantitative findings for communication. Communication in DBT teams was positively associated with fidelity [ 47 ]. Qualitative studies frequently identified communication as a determinant of implementation (Table  4 ). From qualitative studies, we found that open, ongoing, and effective communication within teams facilitates implementation of new practices; poor communication is a barrier (high confidence).

Quantitative associations between team learning behavior and implementation outcomes were reported in three studies. Team learning behavior in child abuse teams was positively correlated with acceptability and feasibility; it was not associated with appropriateness, time to adoption, or reach [ 65 ]. Learning behavior was positively associated with knowledge and use of innovations in nursing teams [ 91 ] and with implementation success in surgical teams [ 48 ]. Because each of these studies examined different implementation outcomes, we were unable to generate an estimate of the effect of learning behavior or rate evidence quality.

Inter-team communication, specifically speaking up and learning from other teams (i.e., boundary spanning), was identified as a critical part of team learning processes associated with successful implementation [ 48 ]. Communication beyond the team was also identified as a facilitator of implementation in two qualitative studies [ 47 , 75 ]. We found that communication beyond the team facilitates implementation by providing opportunities for team learning (low confidence).

Lastly, two qualitative studies examined coordination among healthcare teams [ 40 , 95 ]. Findings were somewhat ambiguous and based on thin data. We found with low confidence that poor coordination among healthcare professionals interferes with providing high-quality care and can be a barrier to implementation of new approaches (low confidence).

Cognitive states

Specific cognitive states were examined in two quantitative studies. There was no overlap in the associations between cognitive states and implementation outcomes reported (Table  3 ). The first study found no significant associations between shared goals and implementation outcomes [ 65 ]. The second study found that greater team knowledge and skills were associated with greater implementation of key changes to improve access to care; team problem recognition was not associated with implementation [ 62 ].

Two studies reported qualitative findings related to shared goals. In VA mental health teams, shared mission differentiated teams with sustained high reach of EBPs from those with low reach [ 84 ]. Commitment to a shared goal consistent with the EBP supported sustainment [ 84 ]. Similarly, shared goals and vision were identified as a facilitator of DBT programs [ 47 ]. We found that shared goals, mission, and vision within teams facilitate implementation and sustainment (low confidence).

Summary of team processes/states & implementation outcomes

There was very little overlap in the reported associations between team processes/states and implementation outcomes (Table  3 ). We were unable to generate estimates of effects for any associations. When there was sufficient overlap to rate evidence quality, the evidence was rated very low quality (Table A2, Additional File 2).

Qualitative review findings are shown in Table  4 . We found the following: 1) Adaptive team functioning, characterized by positive affective states (e.g., trust, mutual respect, belonging), effective behavior processes (e.g., frequent communication and coordination), and shared cognitive states (e.g., clear roles, shared mental models of how to provide care), facilitates implementation and is associated with better implementation outcomes (high confidence); 2) Problems in team functioning, including negative affective states (e.g., tension, lack of trust), problematic behavioral processes (e.g., conflict, competition, poor communication), and a lack of shared cognitive states (e.g., unclear roles, lack of shared awareness, competing goals), act as barriers to implementation and are associated with poor implementation outcomes (high confidence); 3) Trust, cohesion, and psychological safety within teams facilitate implementation by contributing to team members’ willingness to speak up and openly share experiences and feedback. Negative affective states, fear of judgment, conflict, and lack of safety hinder implementation (moderate confidence); 4) Open, ongoing, and effective communication within teams facilitates implementation of new practices; poor communication is a barrier (high confidence); 5) Communication beyond the team facilitates implementation by providing opportunities for team learning (low confidence); 6) Poor coordination among healthcare professionals interferes with providing high-quality care and can be a barrier to implementation of new approaches (low confidence); and 7) Shared goals, mission, and vision within teams facilitate implementation and sustainment (low confidence).

Synthesis: team effectiveness outcomes & implementation outcomes

Team effectiveness outcomes are multidimensional and include performance (i.e., productivity, efficiency, and quality of the team’s work), team viability, and the impact of the team on members’ development [ 12 , 17 , 18 , 19 ]. Only two studies examined associations between team effectiveness and implementation outcomes. Quantitative findings are presented in Table  5 . One quantitative study found that team members’ ratings of team performance were associated with innovation acceptability, appropriateness, and feasibility; performance was not associated with time to adoption or reach [ 65 ]. One qualitative study found that positive outcomes for team members (e.g., increased comfort working together, greater knowledge) were associated with sustainment [ 70 ]. No studies examined associations of team viability and implementation outcomes.

Summary of team effectiveness outcomes & implementation outcomes

Only one quantitative study examined associations between a dimension of team effectiveness and implementation outcomes (Table  5 ). Accordingly, we were unable to generate ratings of evidence quality or estimates of any effects. Similarly, because there was only one qualitative study, we were unable to make a review finding.

This systematic review summarizes over 20 years of empirical literature on the associations between teamwork and implementation outcomes in the context of implementation of new practices in health and human services. Consistent with increased attention to teams and reliance on team-based models of care, as well as the growth of implementation science, studies increased substantially over time. We included studies that used quantitative, qualitative, or mixed methods, yielding a total of 58 articles representing 55 studies. Included studies spanned naturalistic implementation evaluations and planned implementation research.

Key findings with high confidence were: 1) Staffing shortages and turnover hinder implementation, 2) Adaptive team functioning, characterized by positive affective states, effective behavior processes, and shared cognitive states, facilitates implementation and is associated with better implementation outcomes. Problems in team functioning, including negative affective states, problematic behavioral processes, and a lack of shared cognitive states, act as barriers to implementation and are associated with poor implementation outcomes, and 3) Open, ongoing, and effective communication within teams facilitates implementation of new practices; poor communication is a barrier. Our results generally align with conventional wisdom and scientific research outside of healthcare, increasing confidence in the findings. Team effectiveness and change management research in other types of organizations and settings (e.g., military, aviation, space exploration) [ 98 , 99 , 100 , 101 , 102 , 103 ] is largely converging.

Overall, the literature was heterogeneous, and many studies lacked specificity regarding team composition and implementation activities and outcomes. Teamwork was defined and measured inconsistently and with limited precision across studies, which hindered our ability to draw conclusions about how teams influence implementation processes and outcomes. There was also poor measurement and reporting of implementation outcomes in many studies, consistent with a recent review of research on implementation outcomes [ 28 , 29 ]. Many studies used broad measures encompassing multiple dimensions of teamwork. Among studies that assessed specific team processes and states, there was very little overlap across constructs assessed. Qualitative studies identified a rich array of specific team processes and states; research to confirm the presence of these factors in other settings and determine their associations with implementation outcomes is needed.

In Table  6 , we summarize the limitations of existing research on teams and implementation and provide recommendations for future research. Notably, increased specificity and rigor in how teamwork is conceptualized and assessed is needed to advance our understanding of how teamwork affects implementation processes and outcomes. Limited inclusion of teams and team constructs in implementation theories, models, and frameworks has likely contributed to the neglect of teams in implementation science [ 20 ]. Updates to theories, models, and framework should consider integrating teams and team-level constructs [ 20 ]. In addition, there are well-established theories of team effectiveness that could inform hypotheses about how specific team constructs affect implementation [ 104 , 105 , 106 , 107 ].

There is considerable room for improvement in the definition and description of teams and analysis of data from teams. Describing the structure and purpose of teams, as well as interdependencies within the team, can help differentiate teams from groups of individuals who do not constitute a team, an important conceptual distinction that can be difficult to discern in study descriptions. Reporting of sampling and recruitment procedures for teams and team-level response rates is needed. For quantitative studies, use of standardized, validated measures of teamwork constructs is recommended. Researchers should be careful to base inferences about teams on team-level data. Lastly, future research should follow recommendations for improving measurement and reporting of implementation outcomes [ 29 , 108 ] and consider the multilevel context of teams in theory, measurement, analysis, and interpretation of results [ 109 ].

Limitations

As with all systematic reviews, it is possible that we failed to identify some relevant articles or data. We did not search gray literature or conference abstracts or contact authors for unreported data. Our organization of studies by the IMOI framework is likely imperfect given the broad array of team constructs included and poor reporting in many studies. We included diverse innovations intended to improve patient care, including specific EBPs, clinical practice guidelines, models of care, care bundles, procedural changes, and technological innovations. This diversity in objects of implementation reflects ongoing debates about the necessary strength of evidence for objects of implementation and varying thresholds in different contexts [ 110 ]. In this review, high quality studies tended to involve clinical interventions with strong research evidence (e.g., DBT) and clinics in structured and often team-based healthcare systems (e.g., VA). Diversity of innovations and settings provides greater external validity for our findings but may mask some findings specific to certain innovations or settings.

We only included studies of existing teams providing clinical services, however, many studies provided limited descriptions of teams, and in some cases the distinction between clinical teams and implementation/quality improvement teams was unclear. There is increasing attention to use of teams in implementation frameworks [ 20 , 111 ] and evidence that functioning of implementation teams matters [ 112 , 113 ]. Research on the composition and functioning of implementation teams is an important area for future research.

Our systematic review findings indicate that teamwork matters for implementation. However, greater specificity and rigor are needed to advance our understanding of how teamwork influences implementation processes and outcomes. We provide recommendations for improving the conceptualization, description, assessment, analysis, and interpretation of research on teams implementing new practices.

Availability of data and materials

All data cited in this review came from published papers and are therefore already available. The data created as part of the review process are included in this published article and its supplementary information files.

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Acknowledgements

Thank you to Ikzzui Chu, Jamie Feldman, Grace Kinkler, Rachael Park, and Jaely Wright for their assistance with article screening.

This work was supported by the National Institute of Mental Health grants MH123729 (EAM), MH124914 (DJK), and MH126231 (GAA), the National Cancer Institute U01CA275118 (GAA), National Institute on Drug Abuse R01DA049891 (GAA), the Agency for Healthcare Research and Quality grant R18HS026862 (CBW), and the Collaboration and Conflict Research Lab at Carnegie Mellon University Tepper School of Business. The content of this manuscript does not represent the views of funding agencies and is solely the responsibility of the authors.

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McGuier, E.A., Kolko, D.J., Aarons, G.A. et al. Teamwork and implementation of innovations in healthcare and human service settings: a systematic review. Implementation Sci 19 , 49 (2024). https://doi.org/10.1186/s13012-024-01381-9

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  • Copy URL https://www.pbs.org/newshour/politics/5-takeaways-from-trumps-rnc-speech

5 takeaways from Trump’s RNC speech

MILWAUKEE (AP) — The Republican National Convention celebrated former President Donald Trump not just as a party leader but a living martyr who survived a would-be assassin’s bullet and is ready to work for everyday Americans after a sweeping victory in November.

WATCH: Donald Trump speaks at 2024 Republican National Convention

The portrayals of unity, including in Trump’s first speech since he was injured in the assassination attempt last Saturday, sought to erase the image of a man whose presidency often swirled in chaos and infighting and ended with a violent insurrection at the U.S. Capitol. Democrats have repeatedly wielded images of that day to try to thwart his return and have spotlighted his recurring use of inflammatory and hardline rhetoric.

Inside the Milwaukee arena, he was “an American folk hero” and “strong commander in chief,” alive because of a “miracle.” To the left, he remains a threat to democracy, with authoritarian designs.

Live updates: Trump speaks at the Republican National Convention Night 4

There’s plenty of campaigning left between now and the election, so the effectiveness of the competing messages remains to be seen. But it’s been a striking four days for a Republican Party that over three presidential elections has been reshaped by Trump’s personality and his politics.

Here are some takeaways from the closing stanza of the GOP gathering in Wisconsin.

Trump promised to serve ‘all of America’ (But …)

Trump, who has not won the popular vote in two tries, opened with the sweeping tone common to inaugural addresses.

“The discord and division in our society must be healed. As Americans, we are bound together by a single fate and a shared destiny,” he said. “I am running to be president for all of America, not half of America, because there is no victory in winning for half of America.”

It was a sharp departure from his first convention acceptance in Cleveland eight years ago, when he painted a dark portrait of American life and declared, “I alone can fix it.”

It seemed at first that Trump was trying to embody a less partisan, less caustic version of himself — still a giant personality, but one that uses his stature for the country’s benefit. Yet as quickly as he called for an end of the “demonization of political enemies,” he turned the issue exclusively toward Democrats. He reprised his accusations that his criminal conviction and other prosecutions were because of the weaponization of the justice system. And he answered the critique that he is upending democracy by insisting, “I am the one saving democracy.”

Republicans in the convention hall embraced the idea. But it was aimed at what’s almost certainly a more circumspect crowd: swing voters and sporadic voters, those people Republicans will need in order to have the kind of sweeping victory they talked about in Milwaukee.

Trump tried to humanize his image by telling of assassination attempt

The former president spoke in vivid detail of his experience being injured and nearly killed on Saturday.

“You will never hear it from me a second time because it’s actually too painful,” he said before recalling at length a “beautiful day” that took a fateful turn. He recalled “a loud whizzing sound” and realized his ear was injured. He praised Secret Service agents, avoiding any mention of the criticism the agency is taking in Washington.

“I felt serene,” he said.

“I stand before you in this arena only by the grace of Almighty God,” Trump continued, echoing the same idea of divine intervention that flowed freely from the stage during the convention. “I’m not supposed to be here tonight,” he said, with delegates responding with a chant of “Yes you are! Yes you are!”

On stage was the uniform of the retired fire chief, Corey Comperatore, who was killed behind Trump. It was powerful stagecraft and storytelling. When Trump returns to his post-convention rally circuit, it will be notable to watch whether the former president sticks to his claim that he will not talk again about the assassination attempt that shocked the nation.

The brand man rebranded — with limits

Trump, the name and the man, has been ubiquitous for decades. Americans and the world recognized those gold letters, T-R-U-M-P, and watched him say, “You’re fired!” on his hit show “The Apprentice” long before Trump first ran for president. He took over the GOP and won the presidency in 2016 as the unapologetically bombastic political outsider.

The convention program sought to frame the former president as a softer, more compassionate man who helps people individually and is determined to help Americans across the country. Alina Habba , a Trump attorney, talked of “his character, his kindness, his commitment to saving this great country.” Personal friend Steve Witkoff described Trump as a lover of music, “a man who in the darkest hours shows up, listens and always acts.”

Between speeches Thursday, videos of Trump filled the arena with another tone. Democrats, a stern-looking Trump said, “are destroying our country. … They do cheat. And, frankly, it’s the only thing they do well. … Swamp them — they can’t cheat.”

Leading up to his speech, Trump called on a number of figures from the world of professional fighting, including retired wrestler Hulk Hogan and Linda McMahon , the former president and CEO of World Wrestling Entertainment, Inc. She made perhaps the most overt attempt to straddle the competing messages: “Donald Trump is not only a fighter, ladies and gentleman,” she said. “He is a good man.”

It perhaps added up to a confusing message.

Certainly, you can square images of an aggressive politician and a compassionate man who loves music, his friends, his family and even Americans he does not know.

But there’s a difference in selling Trump as someone who leverages his determination on behalf of those “everyday Americans” and one who uses hyperbolic attacks on whole classes of Americans and still fights over a presidential election that he lost. Voters who believe Trump’s false assertions about 2020 and relish his broadsides are already in his corner. He’s trying to grow his coalition, or at least he needs to if Republicans want to have the kind of November sweep they’ve talked about in Milwaukee.

Short on details of another term

Trump made sweeping promises to end inflation and secure the border. He said “Republicans have a plan” to bring down energy prices “very, very rapidly.” He didn’t say what it is.

He said he’d “drill, baby, drill” and “reduce your taxes.” He suggested falsely that Democrats want to raise taxes “by four times” what they are now.

The most specific he got was promising to roll back Biden administration efforts to combat climate change, direct all infrastructure spending to “roads and bridges,” and impose steep tariffs.

Live fact check: Night 4 of the Republican National Convention

GOP leaders said ahead of the convention that Trump should lay out a clear vision of what a second presidency would look like. If he did that, it was only in the broadest strokes, mostly using crowd-pleasing talking points.

Trump barely mentioned Biden or Harris

Many Republican speakers this week made a point not just to blast President Joe Biden but also Vice President Kamala Harris. It’s an obvious move to position the party for the possibility that the 81-year-old Biden ends his campaign and Democrats turn to his second-in-command.

WATCH: Harris says Vance’s RNC speech didn’t tell ‘the full story,’ left out Project 2025

Trump himself barely acknowledged the Democratic incumbents. “I’m only going to say it one time,” he said, after mentioning Biden by name. At another point, he said merely “this person.”

That approach could be because of how much Democrats are in flux, leaving Trump unsure of who he will actually face in the fall. It could just as easily reflect how confident Trump is that he will win. Perhaps he believes he does not need to take on Biden any longer at all.

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