ویژگی‌های روانسنجی و ساختار عاملی پرسشنامه وسواس فکری–عملی نسخه کودکان (OCI-Y) بر روی دانش‌آموزان دوره متوسطه اول (راهنمایی) شهر بیرجند

Background and Aim: Obsessive Compulsive Disorder (OCD) is accounted as the most resistant anxiety disorder. Thus, the present study aimed at investigating the psychometric properties and factor structure of the child version of intellectual-practical obsessive compulsive inventory (OCI-Y) regarding . junior high school students in Birjand. Materials and Methods: The current study was a descriptive one having a factor analysis approach. The study was carried out on 379 students in Birjand using multistage cluster method. The obsessive compulsive inventory (child version) of Fava et al. (2010) was used for data collection. The obtained data was analyzed using Cronbach's alpha and the test-retest method. Results: What was obtained from factor analysis (principal components analysis) and varimax rotation showed seven factors justifying a total of 48.82% of the obsessive compulsive questionnaire variance. The reliability coefficients of Cronbach's alpha for questionnaire components ranged between 0.63% and 0.84%. It was also found that the reliability coefficients ranged between 0.58 and 0.79 which were all significant at α =0.01.Besides, the reliability of the questionnaire used was also tested with regard to its components and internal consistency, that were satisfactory. Conclusion: According to the results obtained, the modified obsessive compulsive questionnaire of Fava et al. has an appropriate validity and reliability and can be used in research and clinical situations for diagnostic and therapeutic purposes.