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| Alkhoury, Souheir | 1 |
| Benford, Russell | 1 |
| Clark, Brian R. | 1 |
| Falconer, Kathleen A. | 1 |
| Lawson, Anton E. | 1 |
| Shayer, Michael | 1 |
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Peer reviewedLawson, Anton E.; Alkhoury, Souheir; Benford, Russell; Clark, Brian R.; Falconer, Kathleen A. – Journal of Research in Science Teaching, 2000
Extends prior theory and research by postulating the existence of an intermediate class of concepts called 'hypothetical'. Investigates the hypothesis that three kinds of scientific concepts exist by constructing and administering a test on concepts introduced in a college biology course. Supports the hypothesis that intellectual development…
Descriptors: Biology, College Science, Concept Formation, Developmental Stages
Peer reviewedShayer, 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
