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Exploring the Structure and the Content of Chemistry Teacher's Explanations on Gases unit of ChemistryI from the Perspective of 'Persuasion'

机译:从“说服力”的角度探讨化学教师的结构和内容

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The purpose of this study was to explore the structure and content of chemistry teacher's explanations from the perspective of 'persuasion'. Especially, this study was to explore how the argument structure and the conceptual change constructs in chemistry teachers' explanations were established and interacted. Data were collected from chemistryI classes considering the gas unit which includes kinetic theory of gas, Graham's law, Boyle's law, and Charles' law. The classes were vediotaped and transcribed. The transcriptions were analyzed with Toulmin's argument frame and the two constructs of conceptual change model; the conceptual ecology and the status of a conception to interpret the persuasive structure and content of the teacher's explanations. As the results of this study, four explanatory discourses which show various persuasive explanations in chemistry classes. Based on this results, discussion and implications for effective teachers' explanations in chemistry classes were presented.
机译:这项研究的目的是从“说服力”的角度探讨化学老师的解释的结构和内容。尤其是,本研究旨在探讨化学教师解释中的论证结构和概念变化构造是如何建立和相互作用的。从化学I类收集的数据中考虑了气体单位,其中包括气体的动力学理论,格雷厄姆定律,博伊尔定律和查尔斯定律。对课程进行了审核和抄录。用图尔明的论证框架和概念变化模型的两种结构分析了转录。概念生态学和概念地位来解释教师解释的说服力结构和内容。作为本研究的结果,四种解释性话语在化学课上显示了各种有说服力的解释。基于此结果,提出了对化学课中有效教师解释的讨论和启示。

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