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Buck, Zoë E.; Lee, Hee-Sun; Flores, Joanna – International Journal of Science Education, 2014
We investigated how students articulate uncertainty when they are engaged in structured scientific argumentation tasks where they generate, examine, and interpret data to determine the existence of exoplanets. In this study, 302 high school students completed 4 structured scientific arguments that followed a series of computer-model-based…
Descriptors: Ambiguity (Context), Persuasive Discourse, Scientific Concepts, Scientific Literacy
Imperial, Peter – ProQuest LLC, 2011
Few aspects of school are as controversial as the practice of grading, for grades affect students' educational opportunities. The purpose of this study was to identify the practices Catholic high-school teachers employed in determining students' grades. The study investigated the extent to which academic achievement comprised the grades teachers…
Descriptors: High Schools, Catholic Schools, Catholics, Grades (Scholastic)