Challenges and Benefits of Using Toulmin’s Argumentation Model to Assess Mathematics Lesson Study Debriefing Sessions

Challenges and Benefits of Using Toulmin’s Argumentation Model to Assess Mathematics Lesson Study Debriefing Sessions
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使用图尔敏论证模型评估数学课程学习汇报会的挑战和好处

DOI:
10.1080/19477503.2021.1989188
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发表时间:
2021
影响因子:
--
通讯作者:
Follmer, D. Jake
Follmer, D. Jake
中科院分区:
--
文献类型:
--
作者:
Groth, Randall E.;Follmer, D. Jake

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随着课程研究变得越来越普遍,有必要不断发展理论和方法基础设施,以支持和完善其使用。在本文中,我们对在数学教育中使用图尔敏论证模型来评估课程学习的汇报阶段的挑战和好处进行了批判性的方法论分析。在汇报会议上,教师们提出了关于如何改进教学的论点,这些论点是基于对学生学习情况的观察。图尔敏的模型提供了一种分析这类争论结构的方法。通过一个经验例子,我们说明了使用该模型的挑战,例如确定数据和索赔的适当粒度,评估限定符,识别支持的多个类别,识别隐含的保证,以及在个人或团体之间决定作为分析单元。我们还讨论了一些好处,比如能够系统地比较数学教师的教学论点,评估述情会议目标的实现情况,以及描述群体话语动态。尽管使用图尔敏模型存在挑战,但我们得出结论,它为课程学习汇报会议的系统分析提供了一个有用的框架。本文可以帮助研究人员预测和解决进行基于toulmin的述职会议话语定性分析的挑战。
As lesson study becomes more prevalent, there is a need to continuously develop theoretical and methodological infrastructure to support and refine its use. In this article, we present a critical methodological analysis of the challenges and benefits of using Toulmin’s argumentation model in mathematics education to assess the debriefing phase of lesson study. During debriefing sessions, teachers offer arguments about how to improve teaching that are grounded in observations of students’ learning. Toulmin’s model provides a means to analyze the structure of such arguments. Using an empirical example, we illustrate challenges of using the model, such as determining appropriate grain sizes for data and claims, evaluating qualifiers, recognizing multiple categories of backing, identifying implicit warrants, and deciding between the individual or the group as a unit of analysis. We also discuss benefits such as being able to systematically compare mathematics teachers’ pedagogical arguments against one another, assess attainment of debriefing session goals, and characterize group discursive dynamics. Despite the challenges of using the Toulmin model, we conclude that it provides a useful framework for systematic analysis of lesson study debriefing sessions. The present article can help researchers anticipate and address challenges of conducting Toulmin-based qualitative analyses of debriefing session discourse.
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