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Peer reviewedSlavin, Robert E. – Educational Researcher, 1999
Comments on S. Pogrow's suggestion that educational programs should be judged by the degree to which schools using them achieve "surprising scores." Emphasizes the importance of the use of control groups in program evaluation. (SLD)
Descriptors: Control Groups, Educational Research, Evaluation Methods, Experimental Groups
Peer reviewedWilliams, Richard H. – Educational and Psychological Measurement, 1992
A QuickBASIC program is described that can be used to conduct Dunnett-like comparisons on a set of independent proportions. The statistical method used, based on Levy's statistical method (1975), is an extension of the well-known Dunnett test for multiple comparisons on means. (Author/SLD)
Descriptors: Comparative Analysis, Computer Software, Computer Software Reviews, Control Groups
