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Timm, Joan Thrower; Gross, James R. – 1990
Previous investigations on Piagetian cognitive levels among college students both within and across academic disciplines have not addressed the issue of possible differences in cognitive levels between traditional undergraduates and older returning students. Piagetian cognitive levels were studied among traditional- and nontraditional-age college…
Descriptors: Abstract Reasoning, Age Differences, Cognitive Development, Cognitive Measurement
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Grobecker, Betsey – Learning Disability Quarterly, 1999
Twenty-nine children with learning disabilities (LD) in grades 2 and 4 through 7 were compared with children without LD for their development of proportional structures of thought. Significantly fewer children with LD had constructed second-order logical structures necessary to act on problems using multiplicative and preproportional reasoning.…
Descriptors: Abstract Reasoning, Age Differences, Cognitive Development, Comparative Analysis