Volume 9, Issue 3 (Summer 2021)                   PCP 2021, 9(3): 165-178 | Back to browse issues page


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Mohammadi M, Ahmadi S M, Naji Mydani F, Jafari M, Reisi S. Psychometric Properties of the Persian Version of the Dimensional Obsessive-Compulsive Scale in A Non-clinical Population. PCP. 2021; 9 (3) :165-178
URL: http://jpcp.uswr.ac.ir/article-1-737-en.html
1- Department of Clinical Psychology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2- Department of Clinical Psychology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.
3- Department of Clinical Psychology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran. , drmjafari@sbmu.ac.ir
Abstract:   (895 Views)
Objective: Measuring, diagnosing, and determining the severity of the symptoms of Obsessive-Compulsive Disorder (OCD) is essential for studying mental health issues. This study aimed to determine the psychometric properties of the Persian version of the Dimensional Obsessive-Compulsive Scale (DOCS) in a non-clinical population. 
Methods: In this cross-sectional study, 252 residents of Tehran (Iran) were selected by cluster sampling method from different districts. They were asked to complete DOCS, Yale-Brown Obsessive-Compulsive Scale (Y-BOCS), and Obsessive-Compulsive Inventory-Revised (OCI-R). SPSS v. 21 and LISREL statistical software were used for data analysis. Cronbach's alpha, exploratory and confirmatory factor analysis, Pearson correlation, and Spearman correlation were also used.
Results: The Internal consistency of DOCS was 91.7 based on the Cronbach α value. The correlations of DOCS with DY-BOCS and OCI-R were 0.57 and 0.55, respectively. Exploratory factor analysis showed four factors. Confirmatory factor analysis also showed that this four-factor and higher-order factor models had a good fit for the data.
Conclusion: The present study indicated acceptable validity and reliability of DOCS in non-clinical populations in Iran. Therefore, this scale be used to screen people with OCD symptoms in non-clinical centers of mental health assessment.
     
Type of Study: Research | Subject: Psychometric
Received: 2021/01/8 | Accepted: 2021/08/7 | Published: 2021/07/19

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