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Cognitive Development1
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A Study of the Use of Ratios in Science Problem Solving.
Peer reviewed Peer reviewed
Raven, Ronald J. – Science Education, 1987
Discusses a study which compared differences in ratio construction made by high school freshman and junior students. Reports that more freshmen than juniors selected solutions involving one variable, whereas juniors chose solutions that coordinated two variables in a mathematical or verbal rule. Reviews implications in problem solving and concept…
Descriptors: Cognitive Development, Cognitive Processes, Formal Operations, Instructional Improvement