Effectiveness Treatment ERP on Obsessive – Compulsive Disorder (OCD)

This study is aimed to consider the effectiveness of exposure therapy and Exposure Response Prevention (ERP) on decrease of symptoms of obsessive -compulsive disorder is.The research method was quasi-experimental and its design was pre-test and post-test with control group.The statistical population of this study was all patients with obsessive-compulsive disorder (both male and female) referring to therapy centers of Maragheh city that a sample of 30 subjects was chosen by available sampling method and then they were replaced in experimental (therapy) group and control group randomly and answered to Maudsley Obsessive-Compulsive Inventory (MOCI).The findings indicated that the experimental group's average score in obsessive-compulsive symptoms was 14/46 in pre-test and 7/67 in post-test.As well as, in control group, the mean score of obsessive -compulsive symptoms in pre-test was 14/66 and 11/93 in post-test.Thus, it could be concluded that the reduction of scores in post-test of experimental group was accompanied with the decrease of symptoms of obsessive -compulsive disorder in experimental group.