The Obsessive-Complusive Inventory: Development and validation of a short version

Edna B Foa, Jonathan D Huppert, Susanne Leiberg, Robert Langner, Rafael Kichic, Greg Hajcak, Paul M Salkovskis

Research output: Contribution to journalArticlepeer-review

1541 Citations (Scopus)

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.
Original languageEnglish
Pages (from-to)485-495
Number of pages11
JournalPsychological Assessment
Volume14
Issue number4
DOIs
Publication statusPublished - 2002

Keywords

  • test reliability
  • test validity
  • test development
  • Obsessive-Compulsive Inventory
  • revised version

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