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Direct linkHairrell, Angela; Rupley, William; Simmons, Deborah – Literacy Research and Instruction, 2011
Twenty-four studies were included in this systematic review of vocabulary research literature. The review corroborates the findings of past studies that several strategies have emerged that increase students' vocabulary knowledge. Findings further reinforce the National Reading Panel's recommendations regarding the context and magnitude of studies…
Descriptors: Vocabulary Development, Research, Literature Reviews, Statistical Analysis
Slavin, Robert E.; Lake, Cynthia; Groff, Cynthia – Review of Educational Research, 2009
This article reviews research on the achievement outcomes of mathematics programs for middle and high schools. Study inclusion requirements include use of a randomized or matched control group, a study duration of at least 12 weeks, and equality at pretest. There were 100 qualifying studies, 26 of which used random assignment to treatments. Effect…
Descriptors: Cooperative Learning, Effect Size, Teaching Methods, Middle Schools
