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Mason, De Wayne A.; Burns, Robert B. – Review of Educational Research, 1996
Critiques the conclusions of S. Veenman (1995) about multigrade classes and suggests that selection bias and lower-quality instruction should be included as part of the explanation for his findings of no difference. Indicates that multigrade classes have at least a small negative effect on achievement and potentially negative effects on teacher…
Descriptors: Academic Achievement, Elementary Education, Elementary School Students, Meta Analysis

Veenman, Simon – Review of Educational Research, 1996
D. Mason and R. Burns (1996) have concluded that multigrade classes have a slightly negative effect on students' achievement. However, a reanalysis, based on meta-analytic procedures, of the available studies shows the average weighted effect sizes to be essentially zero or close to zero. Contains 51 references. (SLD)
Descriptors: Academic Achievement, Effect Size, Elementary Education, Elementary School Students