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  • Title: Development and Psychometric Evaluation of the Children's Yale-Brown Obsessive-Compulsive Scale Second Edition.
    Author: Storch EA, McGuire JF, Wu MS, Hamblin R, McIngvale E, Cepeda SL, Schneider SC, Rufino KA, Rasmussen SA, Price LH, Goodman WK.
    Journal: J Am Acad Child Adolesc Psychiatry; 2019 Jan; 58(1):92-98. PubMed ID: 30577944.
    Abstract:
    OBJECTIVE: To develop and examine the psychometric properties of the Children's Yale-Brown Obsessive-Compulsive Scale Second Edition (CY-BOCS-II) in children and adolescents with obsessive-compulsive disorder (OCD). METHOD: Youth with OCD (N = 102; age range 7-17 years), who were seeking treatment from 1 of 2 specialty OCD treatment centers, participated in the study. The CY-BOCS-II was administered at an initial assessment, and measures of OCD symptom severity, anxiety and depressive symptoms, behavioral and emotional problems, and global functioning were administered. Inter-rater and test-retest reliabilities were assessed on a subsample of participants (n = 50 and n = 31, respectively) approximately 1 week after intial assessment. RESULTS: The CY-BOCS-II demonstrated moderate-to-strong internal consistency (α = 0.75-0.88) and excellent inter-rater (intraclass correlation coefficient = 0.86-0.92) and test-retest (intraclass correlation coefficient = 0.95-0.98) reliabilities across all scales. Construct validity was supported by strong correlations with clinician-rated measures of OCD symptom severity and moderate correlations with measures of anxiety symptoms. Exploratory factor analysis showed a 2-factor structure, which was generally inconsistent with its adult counterpart, the Yale-Brown Obsessive-Compulsive Scale Second Edition. CONCLUSION: Initial findings support the CY-BOCS-II as a reliable and valid measure of obsessive-compulsive symptoms in youth.
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