Evidence-based reform in education refers to policies that enable or encourage the use of programs and practices proven to be effective in rigorous research. This article discusses the increasing role of evidence in educational policy, rapid growth in availability of proven approaches, and development of reviews of research to summarize the…

Evidence-based reform is transforming education at all levels, both in providing effective models for use in schools and in linking policy to effective practice on a broad scale. As early education moves from a concern with effects of preschool versus no preschool to focus on creating and evaluating effective preschool models capable of improving…

This article reviews research on the achievement outcomes of alternative approaches for struggling readers ages 5-10 (US grades K-5): One-to-one tutoring, small-group tutorials, classroom instructional process approaches, and computer-assisted instruction. Study inclusion criteria included use of randomized or well-matched control groups, study…

This article reviews research on the achievement outcomes of three types of approaches to improving elementary mathematics: mathematics curricula, computer-assisted instruction (CAI), and instructional process programs. Study inclusion requirements included use of a randomized or matched control group, a study duration of at least 12 weeks, and…

This article systematically reviews research on the achievement outcomes of four types of approaches to improving the reading success of children in the elementary grades: reading curricula, instructional technology, instructional process programs, and combinations of curricula and instructional process. Study inclusion criteria included use of…

This report systematically reviews research on the outcomes of programs that teach young children in a group setting before they begin kindergarten. Study inclusion criteria included the use of randomized or matched control groups, evidence of initial equality, and study duration of at least 12 weeks. Studies included valid measures of language,…

This article systematically reviews research on the achievement outcomes of four types of approaches to improving the beginning reading success of children in kindergarten and first grade: Reading curricula, instructional technology, instructional process programs, and combinations of curricula and instructional process. Study inclusion criteria…

This article reviews research on the achievement outcomes of alternative approaches for struggling readers in grades K-5: One-to-one tutoring, small group tutorials, classroom instructional process approaches, and computer-assisted instruction. Study inclusion criteria included use of randomized or well-matched control groups, study duration of at…

This article reviews research on the achievement outcomes of mathematics programs for middle and high schools. Study inclusion requirements included use of a randomized or matched control group, a study duration of at least twelve weeks, and equality at pretest. There were 102 qualifying studies, 28 of which used random assignment to treatments.…