适应性变异性在儿童的概念模型的划分
Pooja G Sidney1, Julie F Shirah1, Jessica Blake1
1Department of Psychology, University of Kentucky, Lexington, KY 40506, USA.
Journal of experimental child psychology
|July 19, 2023
概括
孩子们根据数学任务使用不同的除法策略. 数线可以帮助连接整数和分数的划分概念,提高整体的数学理解.
科学领域:
- 认知心理学 认知心理学
- 数学教育教育 数学教育
- 发展心理学 发展心理学
背景情况:
- 孩子们经常在整数除法方面扎,依靠分数模型.
- 这种依赖可以在过渡到分数除法时阻碍理解.
- 之前的研究表明,需要探索各种各样的划分策略.
研究的目的:
- 调查不同的数学任务如何影响儿童的整数除法策略.
- 评估小学儿童对划分模型的适应性使用.
- 识别潜在的表示,桥梁整数和分数划分的概念.
主要方法:
- 63名小学生解决了整数除法问题.
- 问题以三种背景呈现:对象,故事问题和数列.
- 分析了儿童解决问题的策略和概念模型.
主要成果:
- 孩子们展示了多个划分模型,使用策略根据背景而有所不同.
- 故事问题主要引发了分类模型;数线引发了定量模型.
- 对象引出了分量和定量模型,显示了自适应策略的使用.
结论:
- 小学学生根据数学任务的背景调整他们的除法策略.
- 数直线表示可以促进整数和分数划分之间的概念联系.
- 支持适应性策略的使用可以增强儿童数学知识的整合.
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