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Adey, Philip S. | 3 |
Shayer, Michael | 2 |
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Shayer, Michael; Adey, Philip S. – Journal of Research in Science Teaching, 1992
Two years after the end of a two-year intervention program set within the context of science learning intended to promote formal operational thinking, achievement of students (n=234) was tested by their results on British National examinations taken at age 16. Male experimental subjects achieved an average of 40 percent more grades of C or above…
Descriptors: Abstract Reasoning, Cognitive Processes, Developmental Stages, Educational Research

Shayer, Michael; Adey, Philip S. – Journal of Research in Science Teaching, 1992
A 1-year lag was found between the effect of an intervention intended to promote formal operational thinking in students initially 11 or 12 years of age and the appearance of substantial science achievement in the experimental groups. A one-year lag on cognitive development and an age/gender interaction were also reported. (Author/KR)
Descriptors: Cognitive Ability, Cognitive Development, Cognitive Style, Critical Thinking

Adey, 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