A COMPARISON OF BIG FIVE, PERSONALITY PLUS AND ENNEAGRAM PERSONALITY MODELS USING THE ANALYTIC HIERARCHY PROCESS
Abstract
This study presents a comprehensive comparative evaluation of the Big Five, Enneagram, and Personality Plus personality models using the Analytic Hierarchy Process (AHP). The purpose is to determine the relative strengths of each model across five evaluation criteria: scientific validity, depth of insight, ease of use, practical applications, and flexibility. Drawing on expert judgments and the multi-criteria decision-making logic of AHP, the study develops a structured framework for comparing personality assessment systems. Findings indicate that the Big Five model achieves the highest overall ranking due to its strong empirical foundation, cross-cultural applicability, and extensive use in research and organizational settings. The Enneagram demonstrates notable strengths in self-awareness, coaching, and personal development, while Personality Plus provides accessibility and practical value for communication and interpersonal understanding. The study contributes to personality assessment literature by integrating theoretical analysis with decision science and offers recommendations for researchers, educators, counselors, and human resource professionals.
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