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Scherer, Michael; Furr-Holden, C. Debra; Voas, Robert B. – Evaluation Review, 2013
Background: Despite the ample interest in the measurement of substance abuse and dependence, obtaining biological samples from participants as a means to validate a scale is considered time and cost intensive and is, subsequently, largely overlooked. Objectives: To report the psychometric properties of the drug use disorder (DUD) questionnaire…
Descriptors: Drug Use, Questionnaires, Surveys, Drug Use Testing
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Donlin, Wendy D.; Knealing, Todd W.; Needham, Mick; Wong, Conrad J.; Silverman, Kenneth – Journal of Applied Behavior Analysis, 2008
This study assessed whether attendance rates in a workplace predicted subsequent outcome of employment-based reinforcement of cocaine abstinence. Unemployed adults in Baltimore methadone programs who used cocaine (N = 111) could work in a workplace for 4 hr every weekday and earn $10.00 per hour in vouchers for 26 weeks. During an induction…
Descriptors: Unemployment, Cocaine, Patients, Multiple Regression Analysis