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Measuring Change in OCD: Sensitivity of the Obsessive-Compulsive Inventory-Revised

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This study examined the sensitivity to change and specificity of response of the Obsessive-Compulsive Inventory-Revised (OCI-R), an 18-item self-report measure of obsessive-compulsive disorder (OCD) severity. Seventy-seven OCD patients received cognitive-behavioral therapy incorporating exposure and response prevention (ERP). Change from pre- to posttest on the OCI-R was compared to changes as assessed by the Yale-Brown Obsessive Compulsive Scale (Y-BOCS) and other measures of OCD and related symptoms. Results suggest the OCI-R is sensitive to treatment effects and that pre- to posttest change on this instrument reflects improvement in OCD and related symptoms of depression, anxiety, and global functioning. The OCI-R was not sensitive to improvement in patients’ insight into the senselessness of their OCD symptoms. The OCI-R appears suitable for use in clinical settings and naturalistic outcome studies where time and resources do not permit administration of lengthy symptom interviews.

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Correspondence to Jonathan S. Abramowitz.

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Abramowitz, J.S., Tolin, D.F. & Diefenbach, G.J. Measuring Change in OCD: Sensitivity of the Obsessive-Compulsive Inventory-Revised. J Psychopathol Behav Assess 27, 317–324 (2005). https://doi.org/10.1007/s10862-005-2411-y

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Key Words

  • obsessive-compulsive disorder
  • obsessive-compulsive Inventory
  • treatment response
  • cognitive-behavioral therapy