Contingent reinforcement of group participation versus abstinence in a methadone maintenance program

Martin Y. Iguchi, Richard J Lamb, Mark A. Belding, Jerome J. Platt, Stephen D. Husband, Andrew R. Morral

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

This study compared the effectiveness of 2 types of contingency management interventions on reducing unauthorized drug use among methadone maintenance patients. Take-home medications were used to reinforce either the provision of drug-free urines (UA) or attendance of groups providing training in interpersonal problem solving (TIPS). Newly enrolled patients were randomly assigned to either the TIPS (n = 34) or the UA (n = 32) condition after a 12-week stabilization period. During the course of the 24-week intervention period, UA participants showed greater improvement than TIPS participants in rates of abstinence from unauthorized drugs. Also, a greater proportion of UA participants met a priori criteria for clinical improvement, whereas a greater proportion of TIPS participants met a priori criteria for clinical deterioration. The results support the efficacy of contingency interventions targeted specifically at drug-using behavior.

Original languageEnglish (US)
Pages (from-to)315-321
Number of pages7
JournalExperimental and Clinical Psychopharmacology
Volume4
Issue number3
DOIs
StatePublished - 1996
Externally publishedYes

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Methadone
Pharmaceutical Preparations
Urine
Reinforcement (Psychology)

ASJC Scopus subject areas

  • Pharmacology
  • Experimental and Cognitive Psychology

Cite this

Contingent reinforcement of group participation versus abstinence in a methadone maintenance program. / Iguchi, Martin Y.; Lamb, Richard J; Belding, Mark A.; Platt, Jerome J.; Husband, Stephen D.; Morral, Andrew R.

In: Experimental and Clinical Psychopharmacology, Vol. 4, No. 3, 1996, p. 315-321.

Research output: Contribution to journalArticle

Iguchi, Martin Y. ; Lamb, Richard J ; Belding, Mark A. ; Platt, Jerome J. ; Husband, Stephen D. ; Morral, Andrew R. / Contingent reinforcement of group participation versus abstinence in a methadone maintenance program. In: Experimental and Clinical Psychopharmacology. 1996 ; Vol. 4, No. 3. pp. 315-321.
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