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Cheung, 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
Cheung, Alan C. K.; Slavin, Robert E. – Center for Research and Reform in Education, 2011
The use of educational technology in K-12 classrooms has been gaining tremendous momentum across the country since the 1990s. Many school districts have been investing heavily in various types of technology, such as computers, mobile devices, internet access, and interactive whiteboards. Almost all public schools have access to the internet and…
Descriptors: Evidence, Elementary Secondary Education, Mathematics Achievement, Program Effectiveness
Cheung, Alan C. K.; Slavin, Robert E. – Center for Research and Reform in Education, 2011
The present review examines research on the effects of technology use on reading achievement in K-12 classrooms. Unlike previous reviews, this review applies consistent inclusion standards to focus on studies that met high methodological standards. In addition, methodological and substantive features of the studies are investigated to examine the…
Descriptors: Foreign Countries, Evidence, Elementary Secondary Education, Reading Achievement