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Novillis, Carol F. – Journal for Research in Mathematics Education, 1976
The fraction concept was analyzed to yield 16 subconcepts which are hypothesized to be hierarchically ordered. This ordering was tested using subjects in grades 4 through 6, and 18 of 23 dependencies hypothesized were confirmed. (SD)
Descriptors: Concept Formation, Elementary Education, Elementary School Mathematics, Fractions
Mueller, Edward; And Others – Journal of Structural Learning, 1972
Descriptors: Cognitive Processes, Concept Formation, Educational Psychology, Figural Aftereffects