The brief abstinence test: Effects of continued incentive availability on cocaine abstinence

Elizabeth C. Katz, Elias Robles-Sotelo, Christopher J. Correia, Kenneth Silverman, Maxine L. Stitzer, George Bigelow

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


This study compared the effects of 4 voucher incentive conditions of a brief abstinence test on continuous cocaine abstinence. In 3 conditions, cocaine-abusing methadone patients could earn $100 for 2 days of cocaine abstinence; 2 of these conditions offered, on either a continuous or interrupted schedule, an additional $300 for evidence of sustained abstinence over the next 9 days. In the 4th condition, no incentives were available. In incentive conditions, 70-80% of patients initiated abstinence, compared with 48% in the no-incentive condition. Both continuing reinforcement conditions produced higher rates of sustained abstinence than the single and no-voucher conditions. The study confirmed the utility of quantitative urine-testing methods combined with high valued incentives to promote cocaine abstinence initiation in methadone maintenance patients.

Original languageEnglish (US)
Pages (from-to)10-17
Number of pages8
JournalExperimental and clinical psychopharmacology
Issue number1
StatePublished - 2002

ASJC Scopus subject areas

  • Pharmacology
  • Psychiatry and Mental health
  • Pharmacology (medical)


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