Date of Award


Document Type

Doctoral Research Project

Degree Name

Doctor of Psychology (PsyD)



First Advisor

Vida L. Tyc

Second Advisor

Gary Burns

Third Advisor

Julie S. Costopoulos

Fourth Advisor

Robert A. Taylor


Since the early 1990’s, the criminal justice system has been attempting to address the growing numbers of drug crimes and incarcerations resulting from policy decisions meant to discourage drug use and trade. To address resulting overcrowding in the prison system, drug courts and state mandated drug programs were devised to supervise and treat offenders in the community. Many factors have been identified that affect recidivism and related outcome measures for those mandated to drug treatment programs and probation terms, including age, gender, race, duration of treatment, and dosage of treatment. The current study found that age, gender, treatment duration, and dosage of treatment were significantly predictive of probation outcome in the total sample of probationers. Gender and duration were found to be significantly predictive of recidivism within one year of successful probation completion. Limitations and future research directions were identified.


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