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Petry, Nancy M.; Weinstock, Jeremiah; Alessi, Sheila M.; Lewis, Marilyn W.; Dieckhaus, Kevin – Journal of Consulting and Clinical Psychology, 2010
Objective: Contingency management (CM) treatments are usually applied individually for drug abstinence, but CM can also be targeted toward health behaviors and implemented in groups. This study evaluated effects of a group-based CM intervention that focused on reinforcing health behaviors. Method: HIV-positive patients with cocaine or opioid use…
Descriptors: Substance Abuse, Health Activities, Sexually Transmitted Diseases, Health Behavior
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Petry, Nancy M.; Alessi, Sheila M.; Hanson, Tressa; Sierra, Sean – Journal of Consulting and Clinical Psychology, 2007
Contingency management (CM) interventions frequently utilize vouchers as reinforcers, but a prize-based system is also efficacious. This study compared these approaches. Seventy-four cocaine-dependent methadone outpatients were randomly assigned to standard treatment (ST), ST plus a maximum of $585 in contingent vouchers, or ST plus an expected…
Descriptors: Cocaine, Contingency Management, Patients, Reinforcement