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Argumentation as a tool to explain the evolutionary links between human diseases: a case study
Journal of Biological Education ( IF 1.0 ) Pub Date : 2019-09-18 , DOI: 10.1080/00219266.2019.1667409
Noa Ageitos 1 , Blanca Puig 1
Affiliation  

ABSTRACT

Though argumentation is a key component of scientific knowledge construction practices, it rarely occurs in classrooms worldwide. Moreover, related literature in the context of genetics and evolution learning primarily addresses them separately. In contrast, this paper is part of broader research on genetics and evolution instruction taught together through scientific practices. We focused on students’ arguments and data use while working on a task that required developing explanatory links between sickle cell disease and malaria. Two research questions were framed: What is the nature of students’ arguments while explaining these links? What data do they mobilise and how do they use them to support their arguments? Our qualitative approach followed discourse analysis methods. To assess the quality of arguments, theoretical and empirical criteria were used, including the justifications and causal language in the arguments as well as theoretical considerations of genetics and evolution knowledge. The analysis of the second question focused on data use and their sources. The results pointed to students’ difficulties in building quality arguments using clear causal language, and to use of genetics and evolution notions in their conclusions. We suggest implications regarding how to address processes occurring on different time scales in combined genetics and evolution instruction.



中文翻译:

争论作为解释人类疾病之间进化联系的工具:一个案例研究

摘要

尽管论证是科学知识构建实践的关键组成部分,但在全世界的课堂上很少发生。此外,在遗传学和进化学习的背景下,相关文献主要将它们分开论述。相反,本文是通过科学实践一起教授的有关遗传学和进化教学的更广泛研究的一部分。在开展一项需要发展镰状细胞疾病与疟疾之间的解释性联系的任务时,我们专注于学生的论据和数据使用。框架中有两个研究问题:在解释这些联系时,学生的论证性质是什么?他们会动员哪些数据,以及如何使用它们来支持自己的论点?我们的定性方法遵循话语分析方法。为了评估论证的质量,使用了理论和经验标准,包括论证中的理由和因果语言,以及遗传学和进化知识的理论考虑。对第二个问题的分析集中在数据使用及其来源上。结果表明,学生在使用清晰的因果语言建立高质量论证方面存在困难,并在结论中使用了遗传学和进化论概念。我们提出了有关如何解决遗传学和进化论结合的不同时间尺度上发生的过程的启示。结果表明,学生在使用清晰的因果语言建立高质量论证方面存在困难,并在结论中使用了遗传学和进化论概念。我们提出了有关如何解决遗传学和进化论结合的不同时间尺度上发生的过程的启示。结果表明,学生在使用清晰的因果语言建立高质量论证方面存在困难,并在结论中使用了遗传学和进化论概念。我们提出了有关如何解决遗传学和进化论结合的不同时间尺度上发生的过程的启示。

更新日期:2019-09-18
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