A Survey of Proportional Reasoning and Control of Variables in Seven Countries.

Karplus, Robert; And Others

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Peer reviewed

ERIC Number: EJ168404

Record Type: Journal

Publication Date: 1977

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ISSN: ISSN-0022-4308

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A Survey of Proportional Reasoning and Control of Variables in Seven Countries

Karplus, Robert; And Others

Journal of Research in Science Teaching, 14, 5, 411-417, Sep 77

Thirteen to fifteen year-old students from Denmark, Sweden, Italy, United States, Austria, Germany, and Great Britain were the subjects on this study of formal thought processes. Socioeconomic status, sex, and school organization provided additional categorization upon which the subjects were divided. Chi square analysis revealed some differences. (CP)

Descriptors: Abstract Reasoning, Cognitive Development, Educational Research, Learning Theories, School Organization, Secondary Education, Sex Differences, Task Performance

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