孩子们需要计算原理知识来计算他们的手指吗?
Marie Krenger1, Catherine Thevenot1
1Institute of Psychology, University of Lausanne, CH-1015 Lausanne, Switzerland.
Journal of experimental child psychology
|September 18, 2024
概括
了解计数原理的孩子更有可能有效地使用指数计数进行算术. 指数计数似乎是那些已经具备数字技能的人的工具,而不是发育增强器.
科学领域:
- 认知发展 认知发展
- 教育心理学教育心理学
- 童年时代的数学能力
背景情况:
- 使用指数计数的幼儿往往表现出卓越的算术技能.
- 指数计数和增强的数值能力之间的因果关系受到辩论.
研究的目的:
- 调查指数计数是否提高了算术技能,或者高级数值能力是否导致使用手指.
- 为了检查指数计数,计数原理知识和幼儿算术表现之间的关系.
主要方法:
- 对189名4岁和5岁儿童进行加法和计数原理任务的观察研究.
- 一年后对169名儿童进行了长度重新评估.
- 基于手指使用和理解计数原理的性能分析.
主要成果:
- 指的用户比非用户更了解计数原理 (稳定顺序,一对一,枢纽性).
- 孩子们使用手指而不理解原理显示较低的算术表现.
- 知道计数原理并不能自动导致使用手指.
- 没有证据表明手指使用推动了计数原理的发展.
结论:
- 有效的指数计数与先前了解基本计数原则有关.
- 指数计数对于已经具备高级数值知识的孩子来说是有益的.
- 该研究质疑指数计数作为数字概念发展的主要机制的作用.
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