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Volume 6, Issue 1 And 2 (Spring & Summer 2004)
Advances in Cognitive Sciences 2004, 6(1 And 2): 23-36 |
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Shams G, Karam Ghadiri N, Esmaeli Torkanbori Y, Ebrahimkhani N. Validation and Reliability Assessment of The Persian Version of Obsessive Beliefs Questionnaire-44. Advances in Cognitive Sciences 2004; 6 (1 and 2) :23-36
URL: http://icssjournal.ir/article-1-29-en.html
URL: http://icssjournal.ir/article-1-29-en.html
Abstract: (2823 Views)
Objective: This study assessed the validity and reliability of the Persian version of Obsessive Beliefs Questionnaire-44 (OBQ-44) among the Iranian population. The questionnaire is a self administrated instrument which was developed by the Obsessive Compulsive Cognition Working Group to diagnose and assess the level of obsessive beliefs.
Method: This standardization involved a sample of 360 Tehran University medical students who volunteered to participate, and were test-retested at an interval of 5-14 days using OBQ-44-Persian, Maudsley Obsessive- Compulsive Inventory (MOCI), and Obsessive-Compulsive Inventory-Revised (OCI-R), STAI [full form], and BAI [full form]. Eventually, data from 222 students were analyzed.
Results: To calculate the concurrent reliability, internal consistency with Cronbach's alpha (0.92) and split half with corrected correlation (0.94) were computed; and the reliability coefficient for retest OBQ-44 (r=0.82) was used for non-concurrent reliability. The results indicated an excellent internal consistency and consistency of the test scores at an interval of 5-14 days. To assess the reliability of OBQ-44- Persian, its correlation with OCI-R and MOCI was obtained that was 0.57 and 0.50 respectively and statistically significant. For construct validity, factor analysis was used. The values obtained by ML method showed that OBQ-44-Persian was saturated with 3 highly correlated factors that indicated convergence of these factors, which fulfilled the standardization purposes for OBQ-44.
Conclusion: In conclusion, the results support the OBQ-44-Persian as a valid instrument to assess the level of obsessive beliefs in the Iranian population.
Method: This standardization involved a sample of 360 Tehran University medical students who volunteered to participate, and were test-retested at an interval of 5-14 days using OBQ-44-Persian, Maudsley Obsessive- Compulsive Inventory (MOCI), and Obsessive-Compulsive Inventory-Revised (OCI-R), STAI [full form], and BAI [full form]. Eventually, data from 222 students were analyzed.
Results: To calculate the concurrent reliability, internal consistency with Cronbach's alpha (0.92) and split half with corrected correlation (0.94) were computed; and the reliability coefficient for retest OBQ-44 (r=0.82) was used for non-concurrent reliability. The results indicated an excellent internal consistency and consistency of the test scores at an interval of 5-14 days. To assess the reliability of OBQ-44- Persian, its correlation with OCI-R and MOCI was obtained that was 0.57 and 0.50 respectively and statistically significant. For construct validity, factor analysis was used. The values obtained by ML method showed that OBQ-44-Persian was saturated with 3 highly correlated factors that indicated convergence of these factors, which fulfilled the standardization purposes for OBQ-44.
Conclusion: In conclusion, the results support the OBQ-44-Persian as a valid instrument to assess the level of obsessive beliefs in the Iranian population.
Type of Study: Research |
Subject:
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Received: 2003/11/6 | Accepted: 2004/01/5 | Published: 2004/03/20
Received: 2003/11/6 | Accepted: 2004/01/5 | Published: 2004/03/20
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