Impact Of Project Communication on Project Success with Mediation Role of Project Managers’ Competency and Moderation of Senior Managements Support: The Case of High Voltage Power Transmission and Substation Projects in Ethiopian Electric Power
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Date
2024-05
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Addis Ababa University
Abstract
Good and efficient project communication practice and use of suitable communication techniques plays vital role for the success of projects. However, barriers of project communication contribute to the ineffectiveness of communications which influence the project activities negatively. The emphasis of senior managements in supporting projects and competency level of project managers in leading and executing the project tasks has significant influence to the success of projects. This study focus on impact of project communication practice, project communication technique and project communication barriers on project success with the mediating role of project managers’ competency and moderating role of senior managements support in HVPTSPs of EEP. And the explanatory and quantitative research was used in this study. Primary data were collected from the project clients, consultants or engineers and contractors using the structured questionnaires using Likert scale. 265 questionnaires were distributed to the population of the study and 230 questionnaires were gathered, that made the response rate to be 86.8%. The data were analyzed using both the inferential and descriptive methods by SPSS version 27 statistical software and process macro tools version 4.2 by Andrew F. Hayes. The findings of the study indicate that project communication practice and project communication techniques have the positive significant impact on the success of the projects. However, project communication barriers have negative significant effect on project success. In addition, the result of the study indicated that mediator variable ‘project managers’ competency’ and moderator ‘senior managements’ support’ significantly influence the impact of project communication practice, techniques and barriers on project success. Hence the study recommends enhancing project communication practice and techniques, developing the competency level of project managers, increasing the support of senior managements and reducing communication barriers helps to increase the success rate of HVPTSPs in EEP.
Keywords: Project communication practice, project communication techniques, project communication barriers, project managers’ competency, senior managements support, project success.