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Brousselle, Astrid; Champagne, Francois – Evaluation and Program Planning, 2011
Program theory evaluation, which has grown in use over the past 10 years, assesses whether a program is designed in such a way that it can achieve its intended outcomes. This article describes a particular type of program theory evaluation--logic analysis--that allows us to test the plausibility of a program's theory using scientific knowledge.…
Descriptors: Evaluators, Program Evaluation, Logical Thinking, Validity
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Corrigan, Patrick W.; Salzer, Mark S. – Evaluation and Program Planning, 2003
Agrees with the power of randomized clinical trials, but makes the case that random assignment raises other, unanticipated threats to internal validity as a result of failing to consider treatment preference in research participant behavior. Reviews benefits and limitations of research strategies that augment randomization while respecting…
Descriptors: Behavior Patterns, Participation, Research Methodology, Research Problems
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Ciarlo, James A.; And Others – Evaluation and Program Planning, 1992
A summary is provided of a large-scale needs assessment research project in Colorado that tested the validity of several statistical procedures or models for indirectly estimating the need for alcohol, drug abuse, and mental health services across geographic subregions using a Colorado Social Health Survey sample of 4,745 adults. (SLD)
Descriptors: Adults, Alcohol Abuse, Delivery Systems, Drug Rehabilitation