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Silverman, Kenneth; Robles, Elias; Mudric, Timothy; Bigelow, George E.; Stitzer, Maxine L. – Journal of Consulting and Clinical Psychology, 2004
This study determined whether long-term abstinence reinforcement could maintain cocaine abstinence throughout a yearlong period. Patients who injected drugs and used cocaine during methadone treatment (n = 78) were randomly assigned to 1 of 2 abstinence-reinforcement groups or to a usual care control group. Participants in the 2…
Descriptors: Incentives, Positive Reinforcement, Drug Rehabilitation, Intervention