The obsessive-compulsive inventory: Development and validation of a short version

E B Foa, J D Huppert, S Leiberg, R Langner, R Kichic, G Hajcak, P M Salkovskis

Research output: Contribution to journalArticlepeer-review

2106 Citations (Scopus)


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 - 496
Number of pages12
JournalPsychological Assessment
Issue number4
Publication statusPublished - Dec 2002


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