Interdependent group contingency management for cocaine-dependent methadone maintenance patients

Kimberly C. Kirby, Marylouise E. Kerwin, Carolyn M. Carpenedo, Beth J. Rosenwasser, Robert S. Gardner

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


Contingency management (CM) for drug abstinence has been applied to individuals independently even when delivered in groups. We developed a group CM intervention in which the behavior of a single, randomly selected, anonymous individual determined reinforcement delivery for the entire group. We also compared contingencies placed only on cocaine abstinence (CA) versus one of four behaviors (CA, treatment attendance, group CM attendance, and methadone compliance) selected randomly at each drawing. Two groups were formed with 22 cocaine-dependent community-based methadone patients and exposed to both CA and multiple behavior (MB) conditions in a reversal design counterbalanced across groups for exposure order. The group CM intervention proved feasible and safe. The MB condition improved group CM meeting attendance relative to the CA condition. DESCRIPTORS: cocaine abstinence, cocaine abuse, contingency management, drug abuse, treatment attendance.

Original languageEnglish (US)
Pages (from-to)579-595
Number of pages17
JournalJournal of Applied Behavior Analysis
Issue number4
StatePublished - Dec 2008

All Science Journal Classification (ASJC) codes

  • Philosophy
  • Applied Psychology
  • Sociology and Political Science


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