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Slavin, Robert E.; Lake, Cynthia; Hanley, Pam; Thurston, Allen – Journal of Research in Science Teaching, 2014
This article presents a systematic review of research on the achievement outcomes of all types of approaches to teaching science in elementary schools. Study inclusion criteria included use of randomized or matched control groups, a study duration of at least 4 weeks, and use of achievement measures independent of the experimental treatment. A…
Descriptors: Elementary School Science, Science Programs, Program Evaluation, Inquiry
Slavin, Robert E.; Lake, Cynthia – Society for Research on Educational Effectiveness, 2009
One of the major series of reviews in elementary and secondary education is the Best Evidence Encyclopedia, or the BEE. Up to now, findings for systematic reviews have largely been restricted to the reviews themselves, with few cases in which lessons learned across many reviews using similar methods can be synthesized. The completion of the Best…
Descriptors: Evidence, Direct Instruction, Sample Size, Elementary Secondary Education