Meta-Analysis of the Effectiveness of Cognitive Behavioral Therapy(Cbt) in Treating Patients with Obsessive- Compulsive Disorder(Ocd)

Introduction: This research aimed to use one of new research methods namely meta-analysis in order to evaluate the results of studies investigating the effectiveness of cognitive- behavioral therapy in treating patients with obsessive- compulsive disorder(OCD). These studies have been accomplished in Iran. Cognitive- behavioral therapy(CBT) is an empirically based treatment of established efficacy for the obsessive-compulsive disorder. Methods: In this study, 12 accomplished researches were gathered in regard to the effect of cognitive behavioral therapy in treating patients with obsessive- compulsive disorder(OCD) among which 10 studies were chosen for meta-analysis. Statistic analysis was done by comprehensive meta-analysis software. Results: The study results, using incorporation of effect size by Schmitt and Hunts method, showed that cognitive behavioral therapy can influence treating patients with obsessive- compulsive disorder. The mean of cognitive- behavioral effect size in treatment of obsessive- compulsive disorder in males and females was significant 1/63(p