Modeling the Relationship between the BIS, Victimization and Reward on BDD Considering Mediating Role of Interpersonal Cognitive Distortions in Students

The aim of this study was to investigate the relationship between behavioral inhibition system, victimization and reward and body dysmorphic with mediating role of interpersonal cognitive distortions. The research method was descriptive – correlational which was done through path analysis. The study population consisted of high school students in academic year of 2019 in Tehran. 364 participants were selected via multistage cluster random sampling method and were assessed with Yale- Brown obsessive compulsive scale modified for body dysmorphic disorder, behavioral inhibition subscale, Moradi Bully Victimization scale, interpersonal cognitive distortions scale and reward probability index. The result of path analysis showed behavioral inhibition system, victimization and interpersonal cognitive distortions had a positive and direct relationship with body dysmorphic. Reward had a direct and negative relationship with body dysmorphic. Also the results indicated that interpersonal cognitive distortions play a significant mediating role on the relationship between behavioral inhibition system, victimization, and reward with body dysmorphic. Based on the findings, it can be concluded that behavioral inhibition system, victimization, reward and interpersonal cognitive distortions play a role in students’ body dysmorphic. The result can be used to design counseling and therapeutic program for students.