一个没有偏见的测试的人类时两截:证据反对二截在算术平均值
1Department of Psychology, Durham University, South Road, Durham DH1 3LE, UK.
Cognition
|March 24, 2024
概括
时切割过程揭示了时间感知不是以算术平均值为中心. 结果表明对时间进行了对数编码,挑战了传统的时间感知模型.
科学领域:
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
- 心理物理学的精神物理.
背景情况:
- 时分截断程序是研究时间感知理论的标准方法.
- 一个已知的限制是,探头持续时间的分布会影响感知到的中点 (切割点).
- 探测器的线性间距将两截面偏向算术平均值,而对数间距则产生不同的结果.
研究的目的:
- 为了调查独立于探测器持续时间分布偏差的感知时间间隔的中点.
- 测试时间感知是否以算术平均值为中心,或遵循对数尺度.
- 提供支持或反对现有的时间感知模型的证据.
主要方法:
- 使用切两截手术进行了四项实验.
- 实验1-3只呈现了算术平均值或几何平均值作为单个探头持续时间.
- 实验4复制了探头试验分布效应,使用线性和对数间距.
主要成果:
- 参与者更有可能将算术平均值归类为"长"而不是"短".
- 几何平均值的分类为"短"或"长"并没有显著不同.
- 在实验4中证实了探测器间距偏差,对线性间距的算术平均值附近进行了两截.
结论:
- 当控制探头间距偏差时,在算术平均值上不会发生两截.
- 结果支持基于对数编码时间的时间感知模型.
- 研究结果表明,时间比较可能依赖于相对而不是绝对差异.
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