compare the performance of family Students with oppositional defiant disorder and normal

   The purpose of this study was to compare the family function in students with the oppositional defiant disorder and normal. The research method was causal-comparative. The population of this study includes all mothers of female students who were studying at elementary schools in Boston Abad city during the education year of 1394-95. The sample consisted of 122 mothers. Three hundred mothers of students were selected as the primary sample by multi-stage random sampling. After completing the Childhood Symptom Inventory (CSI-4), 61 mothers were diagnosed as having students with Oppositional Defiant Disorder and then 61 mothers were matched with this group including regular students according to age, education level, and several children. Also, structural interviews were also performed based on DSM-5 to complete assurance of sample students with Oppositional Defiant Disorder. The Family Assessment Device (FAD) was then completed by the mothers of both groups. To analyze the collected data independent samples T-test was used. Results showed that except in terms of emotional involvement there was a significant difference between the overall performances of the families. The results indicate that families function in students with oppositional defiant disorder is unhealthy and inefficient.