Abstract
The convergent and discriminant validity of the parent version of the Child and Adolescent Behavior Inventory (CABI) symptom and impairment scale scores were evaluated with the scale scores from multiple methods including a semistructured diagnostic interview, rating scales, and an academic achievement test. Participants were 82 adolescents (70% male, 78% non-Hispanic White) aged 13 to 17 years (M = 15.01) diagnosed with attention-deficit/hyperactivity disorder (77% predominantly inattentive presentation) and parents. CABI scale scores showed moderate (rs = .42 to .49) to substantial (rs = .62 to .91) convergent correlations with scores from similar measures. CABI scale scores also showed significant discriminant validity (convergent correlation significantly larger than discriminant correlation) with the scores on the other measures. These findings provide additional support for use of the CABI in research and clinical practice, and copies of the scale and norms are freely available.
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