The obsessive-compulsive 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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2087 Scopus citations


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 languageAmerican English
Pages (from-to)485-496
Number of pages12
JournalPsychological Assessment
Issue number4
StatePublished - Dec 2002
Externally publishedYes


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