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| Journal of Research and… | 1 |
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| Chletsos, Peter N. | 1 |
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| Journal Articles | 1 |
| Reports - Research | 1 |
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Peer reviewedChletsos, Peter N.; And Others – Journal of Research and Development in Education, 1989
This article presents evidence of the reliability and validity of a new paper-and-pencil test of proportional reasoning, Paper-and-Pencil Balance Beam Test. A Total of 627 individuals, aged 8-47, participated in the 3 studies discussed. Results support previous research which correlates performance on proportional reasoning problems with…
Descriptors: Age Differences, Cognitive Development, Elementary Secondary Education, Formal Operations
