The Obsessive Compulsive Cocaine Scale: assessment of factor structure, reliability, and validity.

Addict Behav

Charleston Consortium Psychology Internship Training Program, 67 President Street, Charleston, SC 29425, USA.

Published: December 2011

The present study assessed the factor structure, reliability, test retest, convergent validity, and predictive validity of the Obsessive Compulsive Cocaine Scale (OCCS), a newly developed questionnaire adapted from the Obsessive Compulsive Drinking Scale (OCDS). The questionnaire was administered to 189 cocaine-dependent individuals participating in two medication treatment trials for cocaine dependence. Confirmatory factor analysis of this measure revealed that it primarily assesses two factors, obsessions and compulsions. In addition, the data provided strong support for the internal consistency, test-retest reliability, predictive validity, and convergent validity of this two-factor measure. Overall, the data provide support for the psychometric strength of a modified version of the OCDS specifically designed to assess obsessive and compulsive cocaine use among those with cocaine dependence.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3179801PMC
http://dx.doi.org/10.1016/j.addbeh.2011.07.028DOI Listing

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