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Yeaton, 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

McCleary, 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