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Krajcik, Joseph S.; Penick, John E. – Journal of Research in Science Teaching, 1989
Surveys of program graduates of a model science teacher education program were compared with responses from a national sample of exemplary teachers. Results indicated a high degree of similarity between the two groups and provided evidence that a good preservice science teacher education can have a positive effect on the development of preservice…
Descriptors: College Science, Elementary School Science, Elementary Secondary Education, Higher Education

Adey, Philip; Shayer, Michael – Journal of Research in Science Teaching, 1990
The effect of intervention lessons designed to accelerate the development of formal operations taught over a period of two years to adolescents was assessed. Results indicated that the experimental group had achieved a significantly greater gain in cognitive levels than the control group. Implications are discussed. (CW)
Descriptors: Acceleration (Education), Cognitive Development, Developmental Stages, Elementary School Science