porsche adidas Development and validation of a short version
Reference: Foa, E. B., Huppert, J. D., Leiberg, S., Langner, R., Kichic, R., Hajcak, G. and Salkovskis, P. M., 2002. The Obsessive Complusive Inventory: Development and validation of a short version. Psychological Assessment, 14 (4), pp. 485 495.
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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.