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在视觉食中破坏最佳决策:搜索体验的影响

Honami Kobayashi¹, Hiroshi Matsui², Hirokazu Ogawa¹

¹Department of Psychological Science, Kwansei Gakuin University.

Journal of experimental psychology. Human perception and performance

|February 29, 2024

概括

搜索策略适应环境变化,但并不总是最佳的. 搜索历史影响不确定环境中的决策,导致偏离最佳搜索策略.

科学领域:

行为经济学是一种行为经济学.
认知心理学认知心理学
搜集食物理论搜集食物理论

背景情况:

食中的饮食选择问题为研究不确定性下决策提供了一个框架.
最佳搜索理论,特别是基于信号检测的模型,为适应性搜索行为提供了洞察力.

研究的目的:

调查视觉食任务中的选择是否与最佳食策略保持一致.
探索搜索历史如何影响环境逐步变化时的行为.

主要方法:

基于最佳食理论的数学建模.
使用视觉食任务与不确定的刺激进行行为实验.
环境参数的逐步操作 (收益/损失比,损失大小).

主要成果:

参与者的搜索策略适应了环境变化,但并不总是遵循最佳模式.
根据环境变化的顺序,各组的表现不同,这表明搜索历史的影响.
由于过去的搜索经验的影响,观察到与最佳策略的偏差.

结论:

搜索策略可以适应环境的不确定性,但容易受到历史的影响.
在搜索任务中的决策因搜索历史效应而偏离最佳性.
了解这些偏差对于改进搜索和决策模型至关重要.

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