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Download full textCheung, Alan; Slavin, Robert – Society for Research on Educational Effectiveness, 2016
As evidence-based reform becomes increasingly important in educational policy, it is becoming essential to understand how research design might contribute to reported effect sizes in experiments evaluating educational programs. The purpose of this study was to examine how methodological features such as types of publication, sample sizes, and…
Descriptors: Effect Size, Evidence Based Practice, Educational Change, Educational Policy
Little, Priscilla M. D.; Harris, Erin – 2003
As the amount of resources allocated to out-of-school (OST) programming and policymakers' demands for research-based results increase, there is increasing interest in rigorous research designs to examine OST program outcomes. This issue of "Out-of-School Time Evaluation Snapshots" reviews 27 quasi-experimental and experimental OST…
Descriptors: Academic Achievement, Accountability, Adolescent Development, Adolescents
Puma, Michael; Bell, Stephen; Shapiro, Gary; Broene, Pam; Cook, Ronna; Friedman, Janet; Heid, Camilla – 2001
Along with the rapid expansion over the past decade of Head Start, a program providing comprehensive early childhood development services to low-income children, their families, and their communities, has come the demand for rigorous research to demonstrate program effectiveness. This report describes the proposed design of a national study of the…
Descriptors: Compensatory Education, Data Analysis, Data Collection, Delivery Systems
