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Auteur S. M. ALESSI |
Documents disponibles écrits par cet auteur (6)
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Article : Périodique
N. M. PETRY ; S. M. ALESSI ; T. HANSON |ENGLISH : Contingency management (CM) treatments enhance drug abstinence. This study evaluated whether CM also improves quality of life and if these effects are mediated by abstinence. Across 3 independent trials, cocaine abusers in intensive [...]Article : Périodique
ENGLISH : Contingency management (CM) interventions usually reinforce submission of drug-negative specimens, but they can also reinforce adherence with goal-related activities. This study compared the efficacy of the 2 approaches. Substance-ab[...]Article : Périodique
N. M. PETRY ; S. M. ALESSI ; T. HANSON ; SIERRA S. |ENGLISH : 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 rando[...]Article : Périodique
This paper reports estimates of the price elasticity of demand for heroin based on a newly constructed dataset. The dataset has two matched components concerning the same sample of regular heroin users: longitudinal information about real-world [...]Périodique
S. T. HIGGINS ; S. M. ALESSI ; DANTONA R. L. | 2002ENGLISH : In this report we provide an overview of research on the voucher-based incentives approach to substance abuse treatment. This approach was originally developed as a novel method for improving retention and increasing cocaine abstinen[...]Article : Périodique
N. M. PETRY ; S. M. ALESSI ; MARX J. ; M. AUSTIN ; TARDIF M. |ENGLISH : Contingency management (CM) interventions usually use vouchers as reinforcers, but a new technique awards chances of winning prizes. This study compares these approaches. In community treatment centers, 142 cocaine- or heroin-depende[...]