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Newman, Denis; Jaciw, Andrew P. – Empirical Education Inc., 2012
The motivation for this paper is the authors' recent work on several randomized control trials in which they found the primary result, which averaged across subgroups or sites, to be moderated by demographic or site characteristics. They are led to examine a distinction that the Institute of Education Sciences (IES) makes between "confirmatory"…
Descriptors: Educational Research, Research Methodology, Research Design, Classification
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Sondergeld, Toni A.; Beltyukova, Svetlana A.; Fox, Christine M.; Stone, Gregory E. – Mid-Western Educational Researcher, 2012
Scientifically based research used to inform evidence based school reform efforts has been required by the federal government in order to receive grant funding since the reenactment of No Child Left Behind (2002). Educational evaluators are thus faced with the challenge to use rigorous research designs to establish causal relationships. However,…
Descriptors: Research Design, Research Tools, Simulation, Educational Research
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Johnson, David W.; Johnson, Roger T. – Educational Researcher, 2009
The widespread and increasing use of cooperative learning is one of the great success stories of social and educational psychology. Its success largely rests on the relationships among theory, research, and practice. Social interdependence theory provides a foundation on which cooperative learning is built. More than 1,200 research studies have…
Descriptors: Educational Psychology, Cooperative Learning, Teaching Methods, Social Psychology
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Warren, John Robert; Saliba, Jim – Educational Researcher, 2012
How many students repeat a grade each year? How do retention rates vary across states and over time? Despite extensive research on the predictors and consequences of grade retention, there is no systematic way to quantify state-level retention rates; even national estimates rely on imperfect proxy measures. We present a conceptually simple…
Descriptors: Grade Repetition, School Holding Power, Public Education, National Surveys
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Skolits, Gary J.; Richards, Jennifer – Canadian Journal of Program Evaluation, 2009
This article argues that intervention pilot test evaluations have focused insufficient attention on the measurement of project fidelity and the subsequent use of fidelity results for (a) interpreting variations in project outcomes and (b) understanding the rationale for teachers' deviations from implementation protocols. The authors report on the…
Descriptors: Intervention, Pilot Projects, Instructional Improvement, Middle Schools
Kennedy, Ann M., Ed.; Mullis, Ina V.S., Ed.; Martin, Michael O., Ed.; Trong, Kathleen L., Ed. – International Association for the Evaluation of Educational Achievement, 2007
In the "PIRLS (Progress in International Reading Literacy Study) 2006 Encyclopedia," each participating country, 39 in total, describes its education system and the reading curriculum as it is intended to be taught, and outlines the polices and practices that guide reading instruction and teacher education. This in-depth, qualitative…
Descriptors: Textbooks, Reading Achievement, Library Facilities, Encyclopedias