Potential Sources of Bias in Substance Abuse Treatment Follow-Up Studies / Robert A. Johnson and Dean R. Gerstein.

Large multi-site followup studies of treatment clients comprise a major source of evidence on the effectiveness of substance abuse treatment in the United States. This report considers challenges to the validity of results in treatment effectiveness studies due to four factors: (1) nonrandom entry t...

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Bibliographic Details
Main Authors:	Johnson, Robert A. Gerstein, Dean R. (Author)
Corporate Authors:	National Opinion Research Center, Washington, DC Caliber Associates
Language:	English
Published:	[Place of publication not identified] : Distributed by ERIC Clearinghouse, 1999.
Subjects:	Followup Studies. Outcomes of Treatment. Program Effectiveness. Program Evaluation. Research Methodology. Responses. Statistical Bias. Substance Abuse. Surveys. Randomization (Statistics) Reports, Evaluative.
Genre:	Reports, Evaluative.
Physical Description:	65 pages
Format:	Microfilm Book

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