顺序性决策中的个人差异
bioRxiv : the preprint server for biology
|April 16, 2025
概括
在不确定性下决策的个体差异主要是由探索与利用的倾向驱动的. 这种探索-利用平衡,而不是个性或学习参数,塑造了复杂任务中的行为.
科学领域:
- 认知科学 认知科学
- 神经科学是一个神经科学.
- 行为经济学是一种行为经济学.
背景情况:
- 在不确定性下决策的个人变化是显著的.
- 这种变化的关键维度仍然未被确定.
- 之前的研究集中在特定的认知过程或参数上.
研究的目的:
- 在不确定的决策过程中,确定个体变化的首要维度.
- 调查与此维度相关的因素.
- 为了解决策过程中的个人差异提供框架.
主要方法:
- 分析了1001名参与者在一个不安的三臂强盗任务上的行为数据.
- 采用一种新的分析方法来控制任务随机性.
- 利用潜态建模推断探索概率.
主要成果:
- 确定了一个主要的个人变化的非线性轴.
- 这个轴与探索的概率有很强的相关性.
- 年轻的参与者和男性在这个轴的极端处有过多的代表.
结论:
- 探索与利用的倾向是盗任务执行的个人差异的主要因素.
- 这与个性,强化学习参数或低级别策略形成鲜明对比.
- 认知和人口因素影响了不确定性下的决策.
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