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Direct linkCheung, Alan C. K.; Slavin, Robert E. – Educational Researcher, 2016
As evidence becomes increasingly important in educational policy, it is essential to understand how research design might contribute to reported effect sizes in experiments evaluating educational programs. A total of 645 studies from 12 recent reviews of evaluations of preschool, reading, mathematics, and science programs were studied. Effect…
Descriptors: Effect Size, Research Methodology, Research Design, Preschool Evaluation
Methodology in Our Education Research Culture: Toward a Stronger Collective Quantitative Proficiency
Henson, Robin K.; Hull, Darrell M.; Williams, Cynthia S. – Educational Researcher, 2010
How doctoral programs train future researchers in quantitative methods has important implications for the quality of scientifically based research in education. The purpose of this article, therefore, is to examine how quantitative methods are used in the literature and taught in doctoral programs. Evidence points to deficiencies in quantitative…
Descriptors: Doctoral Programs, Educational Research, Researchers, Research Design
Slavin, Robert E. – Educational Researcher, 2008
Syntheses of research on educational programs have taken on increasing policy importance. Procedures for performing such syntheses must therefore produce reliable, unbiased, and meaningful information on the strength of evidence behind each program. Because evaluations of any given program are few in number, syntheses of program evaluations must…
Descriptors: Research Design, Program Evaluation, Effect Size, Synthesis
