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International Journal of Cognitive Research in Science, Engineering and Education / IJCRSEE
2018, vol. 6, br. 3, str. 35-47
jezik rada: engleski
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Making scientific concepts explicit through explanations: Simulations of a high-leverage practice in teacher education
(naslov ne postoji na srpskom)
aPontificia Universidad Católica de Chile, Chile
bUniversity of Dundee, Dundee, Scotland, UK



Project by The National Teacher Assessment System, 821320002


(ne postoji na srpskom)
There is a current research interest into high-leverage teaching practices which are geared towards making concepts explicit to learners. Explanations are a common practice in science education for sharing and constructing meaning with students. However, current studies insufficiently articulate a framework for understanding pre-service teachers' explanations; neither do they assess the practical criteria for development. This article documents various criteria for pre-service science teachers' explanations as related to the cognitive science literature and their assessment in the context of an instrument designed for teacher education. A rubric was constructed which organized structural and supportive elements into three levels. A validation process is described, and its application in teacher education programs to detect possible patterns and changes in pre-service science teachers' explanations. The results show the explanation strengths of pre-service teachers working with examples, graphs and images. However, difficulties were found in using and improving analogies, metaphors, and models, and also approaching mis-conceptions as a learning opportunity. Theoretical and practical issues are discussed from a cognitive perspective. We conclude that the signaling implications of using rubrics sensitive to progress-monitoring during teacher education for high-leverage teaching practices give opportunities to simulate and rehearse practices that are highly conducive to learning.

Ključne reči

Explanation; Simulations; High-leverage practice; Science Education


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