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http://dx.doi.org/10.5467/JKESS.2015.36.4.390

Exploration of Discursive-Epistemic Mechanisms in High School Earth Science Lessons  

Oh, Phil Seok (Department of Science Education, Gyeongin National University of Education)
Ahn, Yumin (Korea Institute for Curriculum and Evaluation)
Publication Information
Journal of the Korean earth science society / v.36, no.4, 2015 , pp. 390-403 More about this Journal
Abstract
The purpose of this study was to explore discursive-epistemic mechanisms in high school earth science lessons. A total of 11 video recordings of earth science lessons were collected from three inservice high school teachers. The video recordings were all transcribed and analyzed by employing the discourse analysis framework used in relevant previous studies. In analysis, we identified discursive-epistemic mechanisms as functional assemblies for fulfilling particular epistemic functions in the earth science lessons. The characteristics of these mechanisms were described according to their epistemic functions. The findings of the study were compared with those of previous studies to highlight the characteristics of discursive-epistemic mechanisms in the earth science classrooms. Analyses of middle school science lessons and of science lessons in alternative forms, as well as studies using extended research methods such as indepth interviews with teachers, were suggested as implications for future research.
Keywords
earth science lesson; classroom discourse; discursive-epistemic mechanism; epistemic function;
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