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Hynd, Cynthia; And Others – Science Education, 1997
Investigates changes in preservice teachers' conceptions about projectile motion brought about by a combination of reading and demonstration and appeal to usefulness. Results indicate the effectiveness of a combined Demo-Text condition on immediate posttests and effectiveness of text in producing long-term change. Analysis also indicates an…
Descriptors: Demonstrations (Science), Educational Strategies, Elementary Education, Evaluation