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Peer reviewedNorris, Stephen P. – New Directions for Program Evaluation, 1983
Construct validation theory is founded upon conflicting metaphysical principles, methodological approaches, and standards of adequacy. This paper explores these unrecognized conflicts and indicates some consequences that these conflicts have for construct validation theory. (Author/PN)
Descriptors: Evaluation Methods, Realism, Research Needs, Research Problems
Peer reviewedYeaton, William; Sechrest, Lee – New Directions for Program Evaluation, 1987
In no-difference research, no differences are found among groups or conditions. This article summarizes the existing commentary on such research. The characteristics of no-difference research, its acceptance by the research community, strategies for conducting such studies, and its centrality within the experimental and nonexperimental paradigms…
Descriptors: Evaluation Methods, Literature Reviews, Models, Program Evaluation
Peer reviewedMcCleary, Richard; Riggs, James E. – New Directions for Program Evaluation, 1982
Time series analysis is applied to an assessment of the temporary and permanent impact of the 1975 Australian Family Law Act and its effect on number of divorces. The application and construct validity of the model is examined. (Author/PN)
Descriptors: Court Litigation, Demography, Divorce, Evaluation Methods
Peer reviewedConrad, Kendon J., Ed. – New Directions for Program Evaluation, 1994
The 9 articles of this theme issue stem from a project on alcohol and drug abuse that involved 14 projects, 10 of which began with randomized clinical trials. These papers describe implementation problems associated with experimentation in field research and the focus on ensuring internal validity. (SLD)
Descriptors: Alcohol Abuse, Drug Abuse, Evaluation Methods, Experiments
Peer reviewedScriven, Michael – New Directions for Program Evaluation, 1993
Seven chapters present 31 propositions challenging traditional ideas about the nature and practice of program evaluation. Methods to improve evaluation models and approaches and ways to address intermediate and advanced evaluation issues are explored. The discussion also serves as an introduction to the most analytical and comprehensive of the…
Descriptors: Bias, Evaluation Methods, Evaluation Problems, Evaluation Utilization
