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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
