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| Journal of Research in… | 1 |
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| Adey, Philip S. | 1 |
| Harlen, Wynne | 1 |
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Peer reviewedAdey, Philip S.; Harlen, Wynne – Journal of Research in Science Teaching, 1986
Describes an analysis of test items used to measure the science process skills of 11-year-olds in Great Britain. Concludes that the level of cognitive demand was a reliable predictor of the difficulty of an item. (TW)
Descriptors: Cognitive Development, Cognitive Processes, Concept Formation, Elementary Education
