证据表明,在儿童的直观数感中,数量较低的数量先行存在
1Department of Psychology, University of British Columbia, Vancouver, British Columbia, Canada.
Child development
|April 4, 2025
概括
孩子 孩子 孩子 孩子
科学领域:
- 认知科学 认知科学
- 发展心理学 发展心理学
- 数字认知 数字认知
背景情况:
- 大致数字系统 (ANS) 能够实现直观的数字感知.
- 美国国家统计局的调整往往反映了现实世界的统计规律.
- 自然场景表现出对象的负权力定律分布,这意味着较少的大型集和更多的小型集.
研究的目的:
- 调查儿童的数值期望是否与现实世界统计数据保持一致.
- 要确定ANS是否包含反映对象分布的"低数前"值.
- 为了检查与年龄相关的变化,这个数字从五岁到成年之前.
主要方法:
- 参与者 (80名5-8岁的儿童,20名成年人) 完成了一个数字歧视任务.
- 这项任务涉及将数字与一侧被感知噪音破坏的数字进行比较.
- 贝叶斯框架被用来推断参与者对数字的先前预期.
主要成果:
- 儿童和成年人都表现出"低数前".
- 这一先例表明,人们期望更小的场景尺寸,反映自然场景统计数据.
- 在5岁儿童和成年人之间没有发现与年龄相关的显著差异.
结论:
- 儿童的数字认知似乎对环境中的统计规律很敏感.
- 较低的先前数量可能在5岁时建立.
- 这种数值的先进性似乎不会随着进一步的成年发展而显著增强.
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