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Effect of Reinforcement Probability and Prize Size on Cocaine and Heroin Abstinence in Prize-Based Contingency Management

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Title: Effect of Reinforcement Probability and Prize Size on Cocaine and Heroin Abstinence in Prize-Based Contingency Management
Language: English
Authors: Ghitza, Udi E., Epstein, David H., Schmittner, John
Source: Journal of Applied Behavior Analysis. Win 2008 41(4):539-549.
Availability: Society for the Experimental Analysis of Behavior. Available from: Department of Applied Behavioral Science. Kansas University, 1000 Sunnyside Avenue, Lawrence, KS 66045-2133. Tel: 785-841-4425; Fax: 785-841-4425; e-mail: behavior@mail.ku.edu; Web site: http://seab.envmed.rochester.edu/jaba/index.html
Peer Reviewed: Y
Physical Description: PDF
Page Count: 11
Publication Date: 2008
Document Type: Journal Articles
Reports - Research
Descriptors: Cocaine, Outcomes of Treatment, Contingency Management, Reinforcement, Probability, Substance Abuse, Intervention
ISSN: 0021-8855
Abstract: Although treatment outcome in prize-based contingency management has been shown to depend on reinforcement schedule, the optimal schedule is still unknown. Therefore, we conducted a retrospective analysis of data from a randomized clinical trial (Ghitza et al., 2007) to determine the effects of the probability of winning a prize (low vs. high) and the size of the prize won (small, large, or jumbo) on likelihood of abstinence until the next urine-collection day for heroin and cocaine users (N = 116) in methadone maintenance. Higher probability of winning, but not the size of individual prizes, was associated with a greater percentage of cocaine-negative, but not opiate-negative, urines. (Contains 1 table and 2 figures.)
Abstractor: As Provided
Number of References: 37
Entry Date: 2009
Access URL: https://www.jeabjaba.org/jaba/toc/2008/jabaWinter08.php
Accession Number: EJ823791
Database: ERIC
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  Data: Effect of Reinforcement Probability and Prize Size on Cocaine and Heroin Abstinence in Prize-Based Contingency Management
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  Data: Although treatment outcome in prize-based contingency management has been shown to depend on reinforcement schedule, the optimal schedule is still unknown. Therefore, we conducted a retrospective analysis of data from a randomized clinical trial (Ghitza et al., 2007) to determine the effects of the probability of winning a prize (low vs. high) and the size of the prize won (small, large, or jumbo) on likelihood of abstinence until the next urine-collection day for heroin and cocaine users (N = 116) in methadone maintenance. Higher probability of winning, but not the size of individual prizes, was associated with a greater percentage of cocaine-negative, but not opiate-negative, urines. (Contains 1 table and 2 figures.)
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      – SubjectFull: Outcomes of Treatment
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      – SubjectFull: Contingency Management
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        Type: general
      – SubjectFull: Intervention
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      – TitleFull: Effect of Reinforcement Probability and Prize Size on Cocaine and Heroin Abstinence in Prize-Based Contingency Management
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            NameFull: Epstein, David H.
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            NameFull: Schmittner, John
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              Y: 2008
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