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Johnson, Carla; Fargo, Jamison; Kahle, Jane Butler – School Science and Mathematics, 2010
This longitudinal, five-year study of teachers and students who had participated in a systemic reform program in science explored if (1) teacher change in practice realized during a three-year program is sustained one, two, and three years following the program, (2) student performance on state science assessments two years following studying with…
Descriptors: Program Effectiveness, Educational Change, Longitudinal Studies, Achievement Gains

Tamir, P. – Journal of Research in Science Teaching, 1972
The contributions of Biological Sciences Curriculum Study, Chemical Education Materials Study, and the Physical Science Study Committee courses to the understanding of science among Israeli students are compared. Changes in science process inventory scores in concurrent courses in grades 9-12 are examined. Common misunderstandings about the nature…
Descriptors: Comparative Testing, Evaluation, Science Course Improvement Projects, Scientific Enterprise