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Flexer, B.K.; Roberge, J.J. – British Journal of Educational Psychology, 1983
A longitudinal study among American adolescents revealed (1) an insignificant impact of field dependence-independence on the development of formal operational thought; (2) continuous development of combinatorial reasoning and propositional logic abilities, but little increase in comprehension of proportionality; and (3) sex differences in formal…
Descriptors: Cognitive Development, Cognitive Processes, Intermediate Grades, Longitudinal Studies