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Download full textGrippin, Pauline; And Others – 1973
Students in grades K, 1, 3, and 5 were administered the Rod and Frame Test (RFT), the Matching Familiar Figures (MFF) Test, and the Piagetian tasks of Discontinuous Quantity, Class Inclusion, Multiplication of Classes, and Multiplication of Relations. Cross-sectional trends were found in all tasks with older children being less impulsive, more…
Descriptors: Age Differences, Classification, Cognitive Development, Cognitive Processes
