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Related Experiment Videos

Prize-based contingency management does not increase gambling.

Nancy M Petry1, Ken B Kolodner, Rui Li

  • 1Department of Psychiatry, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT 06030-3944, USA. petry@psychiatry.uchc.edu

Drug and Alcohol Dependence
|December 27, 2005
PubMed
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Prize-based contingency management (CM) helps retain patients in addiction treatment and reduce drug use. This study found that CM does not increase gambling behaviors among stimulant users in treatment.

Area of Science:

  • Addiction Medicine
  • Behavioral Psychology
  • Clinical Research

Background:

  • Contingency management (CM) is effective for addiction treatment retention and drug use reduction.
  • Prize-based CM interventions, involving chance-based rewards, face criticism for potentially increasing gambling behaviors.

Purpose of the Study:

  • To evaluate the impact of prize-based contingency management (CM) on gambling behaviors in stimulant users undergoing addiction treatment.
  • To compare gambling frequency and patterns in patients receiving standard care versus those receiving standard care with prize-based CM.

Main Methods:

  • A multi-site study randomly assigned stimulant users to 12 weeks of standard care with or without prize-based CM.
  • Gambling behaviors were assessed before, during, and 3 months after the intervention period.

Related Experiment Videos

  • Participants were enrolled in either outpatient non-methadone drug abuse treatment or methadone maintenance programs.

    • Main Results:

    • No significant differences in gambling over time were observed between the prize-based CM group and the standard care group.
    • The prevalence of gambling during the observation period was 26% in non-methadone programs and 37% in methadone programs.
    • The prize-based CM intervention did not adversely affect gambling behavior among stimulant abusers.

    Conclusions:

    • Prize-based contingency management is an effective treatment modality that does not appear to exacerbate gambling issues in stimulant-using populations.
    • This finding addresses concerns regarding the potential negative side effects of chance-based reward systems in addiction treatment.