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Assessing the Validity of Randomized Field Experiments: An Example from Drug Abuse Treatment Research.
Peer reviewed Peer reviewed
Dennis, Michael L. – Evaluation Review, 1990
Six potential problems with the use of randomized experiments to evaluate programs in the field are addressed. Problems include treatment dilution, treatment contamination or confounding, inaccurate case flow and power estimates, violations of the random assignment processes, changes in the environmental context, and changes in the treatment…
Descriptors: Drug Rehabilitation, Evaluation Problems, Experiments, Field Studies
Educational Evaluation and Shifting Youth Policy.
Peer reviewed Peer reviewed
Fuller, Bruce – Evaluation Review, 1981
Five causal metaphors running throughout youth employment and education programs are reviewed: (1) the functionalist economic model; (2) the institutional socialization model; (3) a psychosocial view of youth development; (4) the subcultural model; and (5) a self-determined community development vision. (Author/GK)
Descriptors: Disadvantaged Youth, Evaluation Methods, Models, Program Evaluation
The Efficacy of the Rio Hondo Dui Court: A 2-Year Field Experiment
Peer reviewed Peer reviewed
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MacDonald, John M.; Morral, Andrew R.; Raymond, Barbara; Eibner, Christine – Evaluation Review, 2007
This study reports results from an evaluation of the experimental Rio Hondo driving under the influence (DUI) court of Los Angeles County, California. Interviews and official record checks with 284 research participants who were randomly assigned to a DUI court or a traditional criminal court were assessed at baseline and at 24-month follow-up.…
Descriptors: Social Problems, Safety, Courts, Drinking
A Developmental Stage Approach to Program Planning and Evaluation.
Peer reviewed Peer reviewed
Pancer, S. Mark; Westhues, Anne – Evaluation Review, 1989
Evaluation research, if appropriately matched to a human service program's stage of development, can help inform the decision making at each step. The developmental stages of a program, questions to be answered at each stage, and kinds of research activities pertinent to such questions are discussed. (TJH)
Descriptors: Community Programs, Decision Making, Evaluation Methods, Evaluation Research
Evaluating Comprehensive Community Drug Risk Reduction Interventions: Design Challenges and Recommendations.
Peer reviewed Peer reviewed
Pgeterson, Peggy L.; And Others – Evaluation Review, 1992
Recommendations for feasible and rigorous evaluation design formulated by a 1991 conference on the evaluation of comprehensive community interventions are summarized and illustrated through the example of a program for drug risk reduction. Implications of a multisite design with matched pairs randomized into intervention and comparison conditions…
Descriptors: Adolescents, At Risk Persons, Community Programs, Community Role
An Evaluation of the 1977 Canadian Firearms Legislation.
Peer reviewed Peer reviewed
Mauser, Gary A.; Holmes, Richard A. – Evaluation Review, 1992
A pooled cross-section time series model is used to evaluate the effect of the 1977 Canadian firearms legislation on the provincial homicide rate between 1969 and 1989. Results agree with most studies that indicate no significant effect of this legislation on homicide rates. (SLD)
Descriptors: American Indians, Crime, Economic Factors, Federal Legislation