从特征到类别:感应性概括的发展
Robert W Ralston1, Vladimir M Sloutsky1
1Department of Psychology, Ohio State University.
概括
小孩子 幼儿 幼儿
科学领域:
- 认知发展 认知发展
- 发展心理学 发展心理学
- 认知科学 认知科学
背景情况:
- 讨论了幼儿的概括机制.
- 一种观点认为,早期的概括是基于类别的,几乎没有发展.
- 另一个观点认为,早期的概括是基于相似性,类别是以后出现的.
研究的目的:
- 调查幼儿普遍化的发育轨迹.
- 区分基于类别和基于相似性的概括机制.
- 为正在进行的关于早期推理发展的辩论提供新的证据.
主要方法:
- 研究人员对3至5岁的儿童和成年人进行了两项实验.
- 参与者完成了一项类别学习任务,随后完成了一项示例生成任务.
- 实验2包括关于类别成员的额外概念信息.
主要成果:
- 幼儿主要依赖突出特征进行概括.
- 成年人表现出依赖类别信息进行概括.
- 有证据表明,推理策略在发育过程中发生了重大变化.
结论:
- 早期的推理从童年到成年经历了实质性的发展.
- 这些发现挑战了早期概括的基于类别的解释.
- 结果支持基于相似性的幼儿概括的说法.
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