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Peterson, Penelope L. – American Educational Research Journal, 1981
Two teachers taught a unit to two classes of students. High- and low-ability students did better in the small group approach, while medium ability students did better in the large group. Analyses of group processes indicated students benefited from peer tutoring processes which occurred in small groups. (Author/DWH)
Descriptors: Aptitude Treatment Interaction, Elementary School Mathematics, Elementary School Students, Grade 4