The Validity and Specificity of the Short-Form of the Obsessive Beliefs Questionnaire (OBQ)



Moulding et al. (Assessment 18:357–374, 2011) created a 20-item short-form of the Obsessive Beliefs Questionnaire (OBQ; Obsessive Compulsive Cognitions Working Group in Behaviour Research and Therapy 43:1527–1542, 2005) labeled the OBQ-20. To date, the psychometric properties of the OBQ-20 have yet to be examined among clinical respondents. It is also unknown whether the OBQ-20 addresses the limited specificity of prior OBQ versions to obsessive-compulsive symptoms. In Study 1, using a small clinical sample (N = 48), each OBQ-20 scale evidenced good internal consistency and shared a nearly identical correlation in magnitude with obsessive-compulsive symptoms relative to a corresponding full-length OBQ scale. In Study 2, using a large community sample (N = 507), the OBQ-20 scales generally correlated equivalently with obsessive-compulsive symptoms relative to both depression and generalized anxiety symptoms. The OBQ-20 demonstrated strong psychometric properties, but, like prior OBQ versions, did not emerge as specific to obsessive-compulsive symptoms. Given its brevity and potential transdiagnostic importance, the OBQ-20 will likely be a useful assessment tool in both research and clinical settings.


Dysfunctional beliefs Obsessive-compulsive disorder (OCD) Obsessive beliefs questionnaire (OBQ) Short form 


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Department of Psychology and NeuroscienceBaylor UniversityWacoUSA
  2. 2.Department of PsychiatryUniversity of Illinois at ChicagoChicagoUSA

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