Certifications have been used to demonstrate competency in a particular field or specialty. Project success depends greatly on the competency of the project manager. The skills, knowledge, and attributes of the project manager are usually reflected in the project management certification possessed by the project manager. As certifications reflect the processes and perspectives of the issuing organization, the question arises if a project manager with multiple project management certifications demonstrates a greater degree of competency needed for project success than one with only a single project management certification. This study sought to determine if there a significant difference in technical or personal competency viewed as important to project success by Project Managers with the PMP certification and those who have the PMP and another project management certification. The research used a quasi-experimental approach to compare Project and Program Managers in the Washington DC area. One hundred and forty participants were grouped according to the number of project management certifications, single or multiple. The responses were compared seeking differences between the two sample groups. The analysis of the data indicated that a difference did exist, with more apparent competencies for Project and Program Managers with multiple project management certifications. The research indicated a higher level of personal competencies for Project and Program Managers with multiple certifications over those with only a PMP. The research did not indicate any significant difference in technical competencies between the two groups.
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