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- W1570794114 abstract "This study was designed to determine how students' engagement in a learning and debate activity on a current scientific controversy influences their understanding of the nature of science and, in turn, informs their decision-making on the issue. Two high school science classrooms, totaling 38 students from 9th through 12th grade, participated in the Internet-Based unit on the topic of genetically modified foods. The unit, including introductory discussions on the nature of science, a video on the controversy of genetically modified foods, a series of online activities that presented multiple perspectives of the controversy, and follow-up interviews, took place over seven consecutive 1.5 hour period blocks. The study utilized qualitative procedures to analyze students' views on the nature of science as expressed through their answers to online and interview questions and a final classroom debate. Each student conversational turn in the debate was analyzed for references to supporting evidence and instances of moral and fallacious reasoning. While students did not make explicit reference to conceptual understandings of the nature of science in the classroom debate, the issuebased activity was successful as a pedagogical approach to facilitate and reveal students' conceptions of science. The students' answers to online questions reflected conceptions of the tentative, creative, subjective, and social aspects of science. Their high level of engagement throughout the unit supported the students' positive affective verbal response to the Internetbased, scaffolded learning environment and subject matter content. Findings from the analysis of students' mastery of the subject matter of genetic engineering and their reference to subject matter knowledge and evidence in the classroom debate suggest that NOS (nature of science) entered discussions should coincide with in-depth learning activities on the subject matter content of the controversy. Taxonomic categories and samples of thought are presented and discussed, and implications for science education are addressed. (Author) Reproductions supplied by EDRS are the best that can be made from the original document. Students' Understanding of the Nature of Science and Their Reasoning on Socioscientific Issues: A Web-based Learning Inquiry Kimberly A. Walker and Dana L. Zeidler Department of Secondary Education College of Education University of South Florida Tampa, Florida 33620-5650 Email: kim@consilientdesigns.com Zeidler@tempest.coedu.usf.edu PERMISSION TO REPRODUCE AND DISSEMINATE THIS MATERIAL HAS BEEN GRANTED BY TO THE EDUCATIONAL RESOURCES INFORMATION CENTER (ERIC) U.S. DEPARTMENT OF EDUCATION Office of Educational Research and Improvement EDUCATIONAL RESOURCES INFORMATION CENTER (ERIC) ifeThis-ifecument has been reproduced as received from the person or organization originating it. 1:1 Minor changes have been made to improve reproduction quality. Points of view or opinions stated in this document do not necessarily represent official OERI position or policy. Paper presented at the annual meeting for the National Association of Research in Science Teaching March 23-26, 2003, Philadelphia, PA" @default.
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- W1570794114 date "2003-03-23" @default.
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- W1570794114 title "Students' Understanding of the Nature of Science and Their Reasoning on Socioscientific Issues: A Web-based Learning Inquiry" @default.
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