风险态度和信念更新:理论和实验
Evelyn Y H Huang1, Benson Tsz Kin Leung2
1Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China.
Frontiers in psychology
|January 8, 2024
概括
风险态度显著影响信念更新. 较强的风险厌恶导致更多的信念变化与自我相关的信息,但较少与自我无关的信息,影响决策.
科学领域:
- 行为经济学是一种行为经济学.
- 决策科学 决策科学 决策科学
- 认知心理学 认知心理学
背景情况:
- 风险态度在决策中至关重要,但它对信念更新的影响仍未得到充分探索.
- 现有的模型往往忽略了风险偏好和个人如何修改他们的信念之间的相互作用.
研究的目的:
- 调查风险态度和信念更新之间的关系,在双重自我平衡框架内.
- 确定基于信念的实用性的性质如何缓和风险厌恶对信念变化的影响.
主要方法:
- 经济理论被用来建模一种双自我平衡,将信念更新与行动选择分开.
- 实验设计实施,参与者更新了关于自我相关 (IQ) 和自我无关 (随机数) 信息的信念.
- 统计分析被用来比较理论预测与经验发现.
主要成果:
- 较强的风险厌恶会降低信息的工具价值,增加对基于信念的实用性的依赖.
- 风险回避对信念更新的影响取决于信息的相关性.
- 实验结果证实,较高的风险厌恶与对自我相关信息的更大信念变化以及对自我无关信息的更小信念变化相关.
结论:
- 风险态度在信念更新中起着微妙的作用,由信息相关性调节.
- 这些发现对理解说服力,广告效率和政治竞选策略有重大影响.
- 双重自我模型为分析风险下的信念动态提供了一个有价值的框架.
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