基于平板电脑的算术流性评估揭示了从童年到青春期的数学认知和数学成就的发展
Ethan Roy1, Mathieu Guillaume2, Amandine Van Rinsveld2
1Graduate School of Education, Stanford University, Stanford, CA, USA. ethanroy@stanford.edu.
NPJ science of learning
|April 24, 2025
概括
一项新的基于平板电脑的评估揭示了普通和特殊数学问题之间的算术流性差异. 常见问题更好地预测学业成绩,为数学技能发展提供了新的见解.
科学领域:
- 认知心理学 认知心理学
- 教育技术的教育技术.
- 数学教育的数学教育.
背景情况:
- 算术流是关键的数学技能,传统上通过定时,纸质测试来评估.
- 现有的评估通常将流性视为一个单一的构造,忽视了问题类型中的细微差别.
- 基于平板电脑的评估为更详细地测量认知过程提供了潜力.
研究的目的:
- 引入和验证基于平板电脑的单位数学的流性评估.
- 为了比较"普通"与"特殊"算术问题的表现.
- 探索不同类型的问题在标准化测试成绩上的预测有效性.
主要方法:
- 一个基于平板电脑的评估捕捉个人反应时间被管理到824名学生 (3rd-7th年级).
- 评估包括"常见" (如5+3) 和"特殊" (如4+4) 的单位数学的问题.
- 与问题类型和标准化测试结果相关的性能指标被分析.
主要成果:
- 与"普通"问题相比,学生在"特殊"问题上表现出更高的流性.
- "常见"问题显示,对标准化考试成绩的预测能力更强.
- 在常见问题和特殊问题之间观察到明显的速度准确性权衡模式.
结论:
- 基于平板电脑的评估提供了比传统方法更丰富,更动态的算术流度测量方法.
- 区分常见问题和特殊问题对于理解算术认知至关重要.
- 这种方法增强了对大规模数学技能发展的研究.
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