Objective: The primary purpose of this study was to test a relatively efficient strategy for enhancing the capacity of juvenile drug courts (JDC) to reduce youth substance use and criminal behavior by incorporating components of evidence-based treatments into their existing services. Method: Six JDCs were randomized to a condition in which…

This study examined the substance use and delinquency outcomes for the nearest age siblings of substance abusing and delinquent adolescents that participated in a randomized clinical trial evaluating the effectiveness of integrating evidence-based practices into juvenile drug court. The sample of 70 siblings averaged 14.4 years of age, 50% were…

A unique application of the Many-Facet Rasch Model (MFRM) is introduced as the preferred method for evaluating the psychometric properties of a measure of therapist adherence to Contingency Management (CM) treatment of adolescent substance use. The utility of psychometric methods based in Classical Test Theory was limited by complexities of the…

Four hundred thirty-two public sector therapists attended a workshop in contingency management (CM) and were interviewed monthly for the following 6 months to assess their adoption and initial implementation of CM to treat substance-abusing adolescent clients. Results showed that 58% (n = 131) of the practitioners with at least one…

Evaluated the effectiveness of juvenile drug court for 161 juvenile offenders meeting diagnostic criteria for substance abuse or dependence and determined whether the integration of evidence-based practices enhanced the outcomes of juvenile drug court. Over a 1-year period, a four-condition randomized design evaluated outcomes for family court…