Auteur S. M. ALESSI

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Contingency management improves abstinence and quality of life in cocaine abusers

N. M. PETRY ; S. M. ALESSI ; T. HANSON | 2007
Dans Journal of Consulting and Clinical Psychology (Vol.75 n°2, 2007) Article : Périodique

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 [...]

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Contingency management treatments: reinforcing abstinence versus adherence with goal-related activities

N. M. PETRY ; S. M. ALESSI ; K. M. CARROLL ; T. HANSON ; S. MACKINNON ; B. ROUNSAVILLE | 2006
Dans Journal of Consulting and Clinical Psychology (Vol.74 n°3, 2006) 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[...]

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Randomized trial of contingent prizes versus vouchers in cocaine-using methadone patients

N. M. PETRY ; S. M. ALESSI ; T. HANSON ; SIERRA S. | 2007
Dans Journal of Consulting and Clinical Psychology (Vol.75 n°6, 2007) Article : Périodique

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[...]

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The price elasticity of demand for heroin: Matched longitudinal and experimental evidence

T. A. OLMSTEAD ; S. M. ALESSI ; B. KLINE ; R. L. PACULA ; N. M. PETRY | 2015
Dans Journal of Health Economics (Vol.41, May 2015) 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 [...]

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Voucher-based incentives. A substance abuse treatment innovation

S. T. HIGGINS ; S. M. ALESSI ; DANTONA R. L. | 2002
Périodique

ENGLISH : 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[...]

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Vouchers versus prizes: contingency management treatment of substance abusers in community settings

N. M. PETRY ; S. M. ALESSI ; MARX J. ; M. AUSTIN ; TARDIF M. | 2005
Dans Journal of Consulting and Clinical Psychology (Vol.73 n°6, 2005) Article : Périodique

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[...]

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