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Peer reviewedBar, Varda – Science Education, 1987
Describes a study which sought to identify development patterns related to the acquisition of proportional reasoning in two areas, namely electricity and chemical solutions. Results from children ages 9-11 indicated that development of understanding of chemical solutions was asymmetric whereas it was symmetrical with electricity. Includes sample…
Descriptors: Cognitive Processes, Elementary Education, Elementary School Science, Foreign Countries
