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Psychol Assess. 2002 Dec;14(4):485-96.

The Obsessive-Compulsive Inventory: development and validation of a short version.

Author information

  • 1Center for the Treatment and Study of Anxiety, University of Pennsylvania, 3535 Market Street, Suite 600N, Philadelphia, Pennsylvania 19104, USA. foa@mail.med.upenn.edu

Abstract

This article reports on the development of a revised version of the Obsessive-Compulsive Inventory (OCI; E. B. Foa, M. J. Kozak, P. Salkovskis, M. E. Coles, & N. Amir, 1998), a psychometrically sound, theoretically driven, self-report measure. The revised OCI (OCI-R) improves on the parent version in 3 ways: It eliminates the redundant frequency scale, simplifies the scoring of the subscales, and reduces overlap across subscales. The reliability and validity of the OCI-R were examined in 215 patients with obsessive-compulsive disorder (OCD), 243 patients with other anxiety disorders, and 677 nonanxious individuals. The OCI-R, which contains 18 items and 6 subscales, has retained excellent psychometric properties. The OCI-R and its subscales differentiated well between individuals with and without OCD. Receiver operating characteristic (ROC) analyses demonstrated the usefulness of the OCI-R as a diagnostic tool for screening patients with OCD, utilizing empirically derived cutscores.

PMID:
12501574
[PubMed - indexed for MEDLINE]
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