عنوان مقاله [English]
نویسندگان [English]چکیده [English]
Introduction: The aim of this study was to investigate the effect of cognitive and metacognitive therapy on patients with obsessive compulsive disorder.Â Method: In this study a quasi-experimental design with pre-post test and two experimental groups were used. The experimental groups were behavioural cognitive (n=18), and behavioural metacognitive (n=11) groups. Interventions were administrated to both experimental groups. Then patients were evaluated by Maudsley Obsessional- Compulsive Inventory (MOCI).Â Results: The effect size of behavioral- cognitive treatment was equivalent to 1.6 and for behavioral metacognitive treatment was 1.4 that indicate high effect of treatment for both group. However, there was no significant difference between two groups according to ANCOVA.Â Conclusion: According to the findings when the treatment focused on the cognitive distortions and metacognitive beliefs compulsive both methods effectively decreased obsessive-compulsive symptoms, However there was no significant difference between cognitive- behaviour and metacognitive behaviour treatment methods.