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In this paper, we analyze classroom interactions among a student teacher, her mentor, and students, along with other data sources to highlight an epistemological disagreement about what counts as a scientific argument, and relatedly, what counts as evidence. We argue that the teachers' disagreement mirrors an ambiguity in science education about what constitutes a scientific argument and the evidence therein. We suggest that both teachers’ views are productive in some ways but unproductive in others, and we propose a compromise position.
Daniel M. Levin, University of Maryland - College Park
Andrew R. Elby, University of Maryland - College Park
Alexander Chumbley, University of Maryland - College Park
Susan De La Paz, University of Maryland