Evaluation of Psychometric Indicators Persian Version of Behavior Assessment System for Children (BASC-3) in Girls And Boys with Mild Intellectually Disabled and Normal Intelligence (PRS-A & TRS-A) Form

Objective: The purpose of the present study was evaluation of psychometric indicators Persian version of Behavior Assessment System for Children (BASC-3) in girls and boys with mild intellectually disabled and normal intelligence in the city of Yazd. Methods: The present study was a cross-sectional study. This study was performed on girls and boys with mild intellectually disabled and normal intelligence in 2016-2017. The research sample consisted of 438 students who were selected by using cluster sampling method. The data collection tools included (BASC-3), Parental form (PRS-A) and teacher form (TRS-A). Data analysis were performed in SPSS v.24 using descriptive and inferential statistics. Results: The results obtained using factor analysis, correlation coefficient of subscales with total score, test-retest and Cronbachchr('39')s alpha showed that (BASC-3) system has appropriate validity and reliability for both groups, and PRS-A & TRS-A form can be used for both groups with mild intellectually disabled and normal intelligence. Conclusion: According to the results of the present study, it can be said that (BASC-3), Parental form (PRS-A) and teacher form (TRS-A), have appropriate psychometric properties and can be used with confidence to evaluate the behavioral and adaptive problems of adolescents and young people with mild intellectually disabled and normal intelligence in Iran.