激活值,而不是退出值,解释了动态搜索中的低流行率效应
Mark W Becker1, Andrew Rodriguez2, Jeffrey Bolkhovsky3
1Department of Psychology, Michigan State University, East Lansing, MI, 48824, USA. Becker54@msu.edu.
Attention, perception & psychophysics
|July 8, 2024
概括
低发病率效应 (LPE) 发生在目标检测随着目标频率的降低而降低时. 这项研究发现LPE在动态视觉搜索中持久,挑战了传统的解释.
科学领域:
- 认知心理学 认知心理学
- 视觉感知 视觉感知 视觉感知
- 人类因素 人类因素
背景情况:
- 低发病率效应 (LPE) 描述了目标检测的减少,因为目标变得不那么频繁.
- 一个常见的解释是,在静态视觉搜索任务中,戒烟门较低.
- 这种退出值模型对于没有离散试验的动态搜索任务是不够的.
研究的目的:
- 调查LPE是否在动态视觉搜索环境中持续存在.
- 为了比较静态与动态搜索环境中的LPE.
- 在静态和动态搜索中评估LPE退出值解释的有效性.
主要方法:
- 实验1:在静态和动态视觉搜索任务中比较LPE,目标流行率为10%和40%.
- 实验2:使用双目标搜索与不同流行率 (10%与40%相比) 重复发现.
- 测量了目标检测率,并分析了跨条件的性能.
主要成果:
- 在静态和动态搜索任务中观察到LPE,大小相似.
- 与静态任务相比,动态搜索任务的总体目标检测率较低.
- 戒烟值解释没有充分考虑LPE,即使在实验2的静态显示中.
结论:
- 低流行率效应是静态和动态视觉搜索中的一个重要因素.
- 传统的戒烟值模型可能无法在所有搜索类型中完全解释LPE.
- 激活值模型可能为观察到的LPE发现提供更全面的解释.
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