The purpose of this study was to provide normative tables for Identity Style Inventory ISI-6G. This research was performed on the 3245 students (1535 male and 1703 female) of Islamic Azad University that were selected by simple random sampling. Data were presented by descriptive statistic and draw table. Obtained scores transformed to Z and T scores and percentile rank, and the norm tables for University Student Identity Style Inventory were calculated. In order to determine reliability of USDI

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... were used internal consistency method and test-retest. Coefficient Cronbach's alpha for the Informational-Style, Normative-Style, Diffuse-Avoidant-Style and Commitment Identity was .833, .721, .565 and .841 and showed good internal consistency. In order to check the concurrent validity and divergent validity of this inventory were used respectively from the researcher made of scale interest to Identity Styles were obtained .672, .634, .642 and .649. Also concurrent validity for Informational-Style, Normative-Style, Diffuse-Avoidant-Style and Commitment Identity were obtained. Conclusion from these findings was that the Identity Style Inventory ISI-6G is a valid and reliable instrument to measure student's identity styles.