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Cross-cultural validity of the Yale-Brown Obsessive Compulsive Scale
W A Arrindell1, Irene H de Vlaming, Beatrix M Eisenhardt
1Department of Clinical Psychology, Heymans Institute, University of Groningen, Grote Kruisstraat 2/I, 9712 TS Groningen, Netherlands. w.arrindell@ppsw.rug.nl
The Yale-Brown Obsessive Compulsive Scale for the Netherlands (Y-BOCS-NL) shows excellent reliability and validity in psychiatric patients. Its Obsessions and Compulsions model is superior for assessing obsessive-compulsive disorder symptoms.
Area of Science:
- Psychiatry
- Psychometrics
- Clinical Psychology
Background:
- Obsessive-compulsive disorder (OCD) requires reliable assessment tools.
- The Yale-Brown Obsessive Compulsive Scale (Y-BOCS) is a standard measure.
- Adaptation of the Y-BOCS for the Netherlands (Y-BOCS-NL) needed psychometric evaluation.
Purpose of the Study:
- To evaluate the psychometric properties of the Y-BOCS-NL.
- To determine the best factorial structure for the Y-BOCS-NL.
- To assess the reliability and validity of the Y-BOCS-NL in Dutch psychiatric inpatients.
Main Methods:
- Examined psychometric properties in 65 psychiatric inpatients.
- Determined factorial invariance of two models: Severity/Disturbance vs. Obsessions/Compulsions.
- Assessed inter-rater agreement, internal consistency, and concurrent/divergent validity.
Main Results:
- The Obsessions and Compulsions model demonstrated superior factorial invariance.
- Excellent inter-rater agreement and internal consistency were established.
- Y-BOCS-NL showed good concurrent and divergent validity, correlating with related and unrelated measures.
Conclusions:
- The Y-BOCS-NL is a psychometrically sound instrument for assessing OCD symptoms in the Netherlands.
- The Obsessions and Compulsions dimensional structure is recommended for the Y-BOCS-NL.
- The scale demonstrates excellent reliability and validity for clinical and research use.
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