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Direct linkCliffordson, Christina – Educational Research and Evaluation, 2010
The primary purpose of the study was to examine methodological issues in investigations of the relative effects of schooling and age on school performance. One means of separating these 2 effects involves the use of a between-grade regression discontinuity approach. However, amongst other things, this approach is based on assumptions concerning…
Descriptors: Investigations, Grades (Scholastic), Academic Achievement, Grade 6
