Date of Award

2024

Degree Type

Dissertation

Degree Name

Doctor of Philosophy in Clinical Psychology

Department

Psychology

First Advisor

Lynda Stein

Abstract

Youth with Conduct Disorder (CD) are at an increased risk for mental health and physical problems, future psychopathology, criminal activity, and academic and occupational interference, yet few reliable and valid measures exist to diagnose CD per the Diagnostic Statistical Manual-5 (DSM-5). The purpose of this study is to examine the validity and reliability of the revised Delinquent Activities Scale (DAS), based on the DSM-5, to assess for youth CD in community mental health and juvenile justice settings. The sample included N = 576 youth with an average age of 14.73 (SD = 2.62; 54.7% White, 24.7% Hispanic, 12.7% Black, 4.7% Native-American, 1.9% Asian, and 1.4% "Other") recruited from community mental health centers (81.8%) or a juvenile correctional facility (18.2%). Our findings demonstrate good evidence for reliability, and for criterion, concurrent incremental, and known-groups validities, highlighting this instrument's potential as a comprehensive tool for clinicians and researchers. The DAS-Revised addresses a critical gap in current assessment practice and holds promise for improving diagnosis and treatment planning for youth with CD and Low Prosocial Emotions.

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