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Direct linkPellegrini, Marta; Lake, Cynthia; Inns, Amanda; Slavin, Robert E. – Center for Research and Reform in Education, 2018
This article reviews research on the mathematics achievement outcomes of all programs with at least one study meeting inclusion criteria. 78 studies evaluated 61 programs in grades K-5. The studies were very high in quality, with 65 (83%) randomized and 13 (17%) quasi-experimental evaluations. Programs were organized in 8 categories. Particularly…
Descriptors: Elementary School Mathematics, Mathematics Achievement, Program Effectiveness, Tutoring
