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This study examines how traditional ecological knowledge—TEK—can be identified and utilized to create culturally responsive science learning opportunities for Maya girls from a community in the Guatemalan highlands. Maya girls are situated in a complex socio-historical and political context rooted in racism and sexism. This study contextualizes the...
We outline a theory of instructional exchanges and characterize a handful of instructional situations in high school geometry that frame some of these exchanges. In each of those instructional situations we inspect the possible role of reasoning and proof, drawing from data collected in intact classrooms as well as in instructional interventions. T...
This paper has presented an SSTC for use as a sample application of power electronics in a power conversion course. Benefits of the SSTC include a wide breadth of curriculum topics and increased student interest compared to conventional buck and/or boost converters. The educational theory of its proposed use in a classroom setting was a hybrid of S...