Psychometric Properties of the Persian Version of Personality Style and Disorder Inventory (PSDI-S (in Iranian Students

The purpose of this study was to prepare a Persian version of the Personality Style and Disorder Inventory )Kuhl & Kazén, 2009) and to examine its psychometric properties among university students. Among all students of Tehran, Al-Zahra University and Tehran Azad University (Central Branch) in the academic year 2020-2020, 285 people were selected using the convenience sampling method and completed the Persian version of the Personality Style and Disorder Inventory. Data were analyzed using Cronbachchr('39')s alpha indices, composite reliability, content validity index, content validity ratio and confirmatory factor analysis. Cronbachchr('39')s alpha coefficient for all subscales was higher than 0.60 and the combined reliability of the test was 0.89. The content validity ratio was more than 64% and the content validity index was more than 89%, which indicated the appropriate content validity of the scale. The results of confirmatory factor analysis showed that the factor load of the items is more than 0.3 and all paths from items to the hidden variable were significant at the level of 0.001 and the scale has good construct validity. Given the desirable psychometric properties of the Persian version of the Personality Style and Disorder Inventory, its use can be recommended to experts in the field of psychology and counseling in research and diagnostic situations.