期刊
ASSESSMENT
卷 22, 期 5, 页码 619-628出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/1073191114551954
关键词
reliability generalization; meta-analysis; Y-BOCS; internal consistency; test-retest reliability; intraclass correlation
资金
- Fundacion Seneca, Region of Murcia (Spain) [08650/PHCS/08]
The Yale-Brown Obsessive Compulsive Scale (Y-BOCS) is the most frequently applied test to assess obsessive compulsive symptoms. We conducted a reliability generalization meta-analysis on the Y-BOCS to estimate the average reliability, examine the variability among the reliability estimates, search for moderators, and propose a predictive model that researchers and clinicians can use to estimate the expected reliability of the Y-BOCS. We included studies where the Y-BOCS was applied to a sample of adults and reliability estimate was reported. Out of the 11,490 references located, 144 studies met the selection criteria. For the total scale, the mean reliability was 0.866 for coefficients alpha, 0.848 for test-retest correlations, and 0.922 for intraclass correlations. The moderator analyses led to a predictive model where the standard deviation of the total test and the target population (clinical vs. nonclinical) explained 38.6% of the total variability among coefficients alpha. Finally, clinical implications of the results are discussed.
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