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http://dx.doi.org/10.14697/jkase.2013.33.4.807

The Contents of Practical Knowledge Realized in Two Science Teachers' Classes on Social Construction of Scientific Models  

Kim, So-Jung (Kyesan High School)
Maeng, Seungho (Kangwon National University)
Cha, Hyun-Jung (Seoul National University)
Kim, Chan-Jong (Seoul National University)
Choe, Seung-Urn (Seoul National University)
Publication Information
Journal of The Korean Association For Science Education / v.33, no.4, 2013 , pp. 807-825 More about this Journal
Abstract
This study investigated two science teachers' practical knowledge shaped during their science classes which intend to realize social construction of scientific models. The teachers' practical knowledge was qualitatively examined in terms of five content categories defined by Elbaz through the reflection-in-action based on video data of their teaching as well as the reflection-on-action based on their narratives and interview data obtained after their classes. The results shows: 1) two science teachers implemented their practical knowledge on appropriate subject matter knowledge when they provided students with scaffoldings to support building scientific models during the classes. 2) The teachers' knowledge about science curriculum played important roles to change the purposes of the classes from the transmission of difficult science concepts to the construction of scientific model appropriate to learning goals. 3) The teachers' implementation of pedagogical knowledge changed toward supporting students' group activities and model generations aligned to the intention of social construction of scientific models. 4) The teachers' practical knowledge about their 'selves' showed that a teacher's perception and implementation of his/her roles of helper, guide, or facilitator are important for students to construct scientific models through group activities. 5) The two teachers' practical knowledge the milieu of schooling is realized by their modes of interactions with student groups during their classes. Two teachers acted like a co-player with his students or like a coach to students near a playground. We discussed domain-specific characteristics about scientific model construction.
Keywords
practical knowledge; reflection-in-action; reflection-on-action; social construction; scientific modeling;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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