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Describing Teachers' Pedagogic Content Knowledge about Reasoning Development and Students' Reasoning Test

机译：描述教师教学内容知识推理发展和学生推理测试

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Pedagogic Content Knowledge (PCK) is very important for teachers because it shows teacher understanding of science knowledge and pedagogical knowledge. PCK covers the knowledge of content and pedagogy such as teaching knowledge (the subject knowledge and their belief in that, and how to teach it), curriculum knowledge (what and when to teach), assessment knowledge (why, what, and how to assess), the knowledge of students' comprehension toward the subject, and instructional knowledge. To assess teacher PCK we used an instrument called content representation (CoRe).Although CoRe has shown effectiveness in assesssing teacher PCK, however, it does not include reasoning. Learning is considered meaningful when learning activities involve student' to think and to reason. Thus, we need an instrument which enables us to assess teacher's PCK about reasoning and students' reasoning skill. Therefore, for the purpose of the study the researchers modified CoRe to include reasoning. Samples of this study are 8 teachers and 42 students. The modified CoRe measured teacher's formulation of learning goals, content to be taught, pedagogical aspects in teaching particular material, assessment of students learning, and the methods in developing students' reasoning skill. Based on their responses to CoRe, teacher PCK are classified into pre PCK, growing PCK, and maturing PCK. Paper and pencil tests are administered to students to measure their reasoning skills. The instruments consist of thwelve questions related to pollution, i.e. water pollution, air pollution, and land pollution.
机译：教学内容知识（PCK）对教师来说非常重要，因为它显示了对科学知识和教学知识的教师理解。 PCK涵盖了内容和教育学的知识，如教学知识（主题知识及其信仰，以及如何教授它），课程知识（什么和何时教授），评估知识（为什么，以及如何评估），学生对学科的理解知识和教学知识。为了评估教师PCK，我们使用了一个名为内容表示（核心）的仪器。虽然核心在评估教师PCK中表现出有效性，但是它不包括推理。学习在学习活动涉及学生思考和理性时被认为是有意义的。因此，我们需要一种仪器，使我们能够评估教师的PCK关于推理和学生的推理技能。因此，为了研究研究人员修改了核心以包括推理。本研究的样本是8名教师和42名学生。修改的核心测量了教师的学习目标的制定，要教授的内容，教学特殊材料的教学方面，对学生学习的评估以及发展学生推理技能的方法。根据他们对核心的回应，教师PCK分为Pre PCK，生长派，PCK和成熟PCK。纸和铅笔测试被管理到学生来衡量他们的推理技能。该仪器由与污染有关的Thwelve问题，即水污染，空气污染和土地污染。

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