数学重要或可能不重要:数学与一般化学学习速度之间的惊人的独立性
Kenneth R Koedinger1, Mark Blaser2, Elizabeth A McLaughlin1
1Human Computer Interaction Institute, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States.
JACS Au
|March 28, 2025
概括
数学对于学习化学至关重要,但学生最困难的是初始知识,而不是学习率. 这一发现影响了化学课程和课程如何为更好的学生成功而设计.
科学领域:
- 化学教育研究 化学教育研究
- 教育数据挖掘教育数据挖掘
背景情况:
- 一个世纪的研究强调了数学在化学学习中的重要作用.
- 了解这种数学-化学联系的精确性质需要进行详细的调查.
研究的目的:
- 通过学生互动数据,研究数学和化学学习之间的详细关系.
- 确定数学复杂性如何影响学生的初始知识和一般化学的学习率.
主要方法:
- 利用了大量的学生互动数据集与在线通用化学课程.
- 采用后勤回归来建模学生的表现,基于对知识组件 (KCs) 的参与.
- 按数学水平标记KC,以分析数学对学习参数的影响.
主要成果:
- 学生的初始知识在个体之间以及主题的数学水平上有很大差异.
- 学生的学习率在所有学生中都非常一致.
- 学习率在很大程度上独立于一个主题的数学复杂性或先前的数学准备.
结论:
- 化学教育的主要挑战似乎是学生的初始知识,而不是他们的学习率.
- 研究结果表明,需要重新评估课程和课程设计,以解决最初的知识差距.
- 教育干预应侧重于建立化学成功的基础数学理解.
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