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2. Construction and Use of a Science Attitude Scale for Application at the High School Level. Unpublished Master's dissertation. Emporia, Kansas: Department of Education, Kansas State Teachers College of Emporia, 1959.
3. and TOUS, Test on Understanding Science, Manual for Administering, Scoring and Interpreting Scores. Princeton, NJ: Educational Testing Service, 1961
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5. Understanding the nature of science: A comparison of scientists and science teachers