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Thesis

Assessing obsessive-compulsive disorder in adolescents: An examination of reliability and validity of the Maudsley Obsessive-Compulsive Inventory - Adolescent Version

12 December 1994

Abstract

The Maudsley Obsessive-Compulsive Inventory (MOCI) is considered to be the standard adult self-report measure for assessing obsessive-compulsive disorder (OCD) (Hodgson & Rachrnan, 1977; Wolff & Wolff, 1991). Clark and Bolton (1985) and Allsopp and Williams (1991) provided preliminary data on the MOCI with an adolescent population. Their data suggest that further study on the MOCI, particularly data on reliability and validity, would be beneficial. The purpose of the present study was to report on the development of a modified version of the MOCI for adolescents (MOCI-A V). The MOCI-AV, Leyton Obsessional Inventory-Child Version (20-item Leyton), and the Speilberg Trait Anxiety Inventory (STAI) were administered to a nonclinical population of 106 adolescents ages 14 to 19. Results provided evidence for internal consistency and test-retest reliability of the MOCI-AV. Evidence for convergent validity and partial support for discriminant validity were also obtained. The majority of subjects rated the MOCI-AV readable and easy to use. There were no significant differences between males' and females' responses to the inventory. Suggestions for future research were discussed.


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