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Wilkins, Jesse L. M.; Norton, Anderson; Boyce, Steven J. – Mathematics Educator, 2013
Previous research has documented schemes and operations that undergird students' understanding of fractions. This prior research was based, in large part, on small-group teaching experiments. However, written assessments are needed in order for teachers and researchers to assess students' ways of operating on a whole-class scale. In this study,…
Descriptors: Test Validity, Mathematics Instruction, Mathematical Concepts, Evaluation Methods