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Abd-El-Khalick, Fouad; Lederman, Norm G.; Bell, Randy L.; Schwartz, Renee S. – 2001
Researchers, educators, and science education organizations have accepted the importance of developing informed conceptions of the nature of science (NOS) among students. Despite attempts to improve both students' and teachers' perceptions of the nature of science, research shows that the desired understanding has not been attained. Evaluation of…
Descriptors: Concept Formation, Educational Change, Elementary Secondary Education, Evaluation Methods