Psychometric Properties of the Persian Version of the Personality Assessment Inventory (PAI)

The purpose of this study was to investigate psychometric properties of a persian Personality Assessment Inventory (PAI) in the Iranian colledge student's population. In this descriptive research among all students of Tabriz universities in 2017 a sample group including 462 college students was selected by a multi-stage cluster sampling method. The validity and reliability of the inventory items, validity of the structure, and internal consistency estimated by item analysis, exploratory factor analysis, and  Cronbach's alpha coefficient methods. The exploratory factor analysis performed by the main components and varimax rotation showed that 6 components including antisocial tendency, depression and anxiety, mood and emotional instability, psychosis syndrome, psycho-somatic syndrome and stress related problem, have the most simple structure and the coefficients of validity of these components estimated between 0.92 and 0.98. The correlation coefficients between the subscales also showed that these coefficients were between 0.34 and 0.92. Based on this finding, preliminary Persian version of PAI has adequate psychometric properties and it can be used as a valid psychological assessment tool.