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Rabinowitz, F. Michael; Howe, Mark L. – Journal of Experimental Child Psychology, 1994
Children's use of the middle concept was assessed in two developmental studies. Experiment 1, with kindergarten through fifth-grade students, showed marked improvement in the mastery of the middle concept across elementary grades. In Experiment 2, discrimination pretraining with two nonoverlapping stimulus sets transferred to the novel test…
Descriptors: Age Differences, Concept Formation, Dimensional Preference, Elementary Education