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Peer reviewedFujimura, Nobuyuki – Journal of Educational Psychology, 2001
One hundred forty fourth graders were asked to solve proportion problems about juice-mixing situations both before and after an intervention that used a manipulative model or other materials in three experiments. Results indicate different approaches appear to be necessary to facilitate children's proportional reasoning, depending on the reasoning…
Descriptors: Children, Fundamental Concepts, Grade 4, Individual Differences
