What One Hundred Years of Research Says About the Effects of Ability Grouping and Acceleration on K-12 Students' Academic Achievement: Findings of Two Second-Order Meta-Analyses

Steenbergen-Hu, Saiying ; Makel, Matthew C. ; Olszewski-Kubilius, Paula

Review of educational research, 2016-12, Vol.86 (4), p.849-899 [Periódico revisado por pares]

Los Angeles, CA: SAGE Publications

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