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Peer reviewedCahan, Sorel; And Others – Studies in Educational Evaluation, 1996
The regression-discontinuity design was used to study the cumulative effect of ability grouping in mathematics in Israeli junior high schools. Results from a final sample of 1,169 seventh graders show that placement in ability groups increases the gap between students at different grade levels. (SLD)
Descriptors: Ability Grouping, Grade 7, Junior High School Students, Junior High Schools
