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Linn, Marcia C. | 1 |
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Linn, Marcia C.; And Others – Journal of Research in Science Teaching, 1981
Examines content and problem effects of formal thought in 13-year-olds (N=120). Three controlling variables tasks with different content and two question-type tests (analysis and controlling questions) were administered. Findings, among others, indicate that content and problem effects contribute to variance on formal reasoning problems.…
Descriptors: Abstract Reasoning, Academic Ability, Cognitive Ability, Cognitive Development