Development of a structural model of obsessive-compulsive disorder based on early maladaptive schemas, attachment styles and defense mechanisms

Document Type : Research Paper


1 PhD Student of General Psychology, Department of Psychology, Borujerd Branch, Islamic Azad University, Borujerd, Iran.

2 Associate Professor, Department of Measurement, Faculty of Psychology, Allameh Tabatabaei University, Tehran, Iran.) Corresponding author(

3 Assistant Professor, Department of Psychology, Payam Noor University, Tehran, Iran.


Introduction: The present study was down with the aim of determining the indirect effect of primary maladaptive schemas and attachment styles on obsessive-compulsive disorder (OCD), through the mediation of defense mechanisms.
Materials and Methods: The research method was correlational based on structural equation modeling. The statistical population of the research included people suffering from obsessive-compulsive disorder who referred to psychological counseling centers in Tehran in the period from the beginning to the end of 2018. Number of 390 personness were selected by available sampling method. Data collection tools are Maudsley's obsessive-compulsive questionnaire (Hodgson and Rachman, 1977), early maladaptive schemas questionnaire (Yang, 1998), attachment styles questionnaire (Hazan and Shaver, 1987) and defense mechanisms questionnaire (Andrews et al., 1993).
Results: Data analysis using Pearson's correlation method and structural equation modeling showed that there is a relationship between primary maladaptive schemas, attachment styles and defense mechanisms with obsessive-compulsive disorder (P<0.01).
Conclusion: here is a relationship between attachment styles and primary maladaptive schemas with defense mechanisms (P<0.01). In addition, the model of obsessive-compulsive disorder based on primary maladaptive schemas, attachment styles and defense mechanisms have a favorite fit.


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