Impact evaluation plays a critical role in determining whether federally funded research programs in science, technology, engineering, and mathematics are wise investments. This paper develops quantitative methods for program evaluation and applies this approach to a flagship National Science Foundation-funded education research program, Research…

Nearly 20 educational models were studied in an effort to determine varying patterns of effects of educational programs in different settings. Children's academic achievement was measured from kindergarten through third grade in each model program. The study's design, methodology, and findings are reported in this article. (GC)

Education researchers, practitioners, and policymakers alike are committed to identifying interventions that teach students more effectively. Increased emphasis on evaluation and accountability has increased desire for sound evaluations of these interventions; and at the same time, school-level data have become increasingly available. This article…