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为什么我们对一些基于信号检测的信心分析缺乏信心
Derek H Arnold1, Alan Johnston2, Joshua Adie3
1School of Psychology, The University of Queensland, Australia.
Consciousness and cognition
|June 9, 2023
概括
信号检测理论 (SDT) 的信心分析被广泛使用,但依赖于可疑的正常性假设. 当这个假设被违反时,meta-d
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:
- 信号检测理论 (SDT) 是分析人类行为数据,特别是信任判断的普遍框架.
- SDT提供了灵敏度估计 (d) 和一个元度量 (meta-d),它基于高信心决策来量化元认知效率低下.
- 目前的SDT信任分析假设正常分布的感知体验,这是一个关键的,但可能有缺陷的假设.
研究的目的:
- 调查非正常经验分布对基于SDT的信心分析的影响.
- 要确定当正常性假设被违反时,meta-d'是否准确地反映了metacognitive效率低下.
主要方法:
- 实证实验涉及人类参与者.
- 计算建模模拟感知经验分布.
- 分析信号检测理论 (SDT) 的指标,包括d'和meta-d'.
主要成果:
- 与正常性假设的偏差系统地低估了meta-d'相对于d'.
- 在非正常分布下,Meta-d'并不能提供对元认知效率低下的基准真实度量.
- 一些SDT启发的分析比其他分析对正常性假设的违规性更强大.
结论:
- 在SDT信心分析中的正常性假设可能导致对元认知效率低下的不准确评估.
- 研究人员在解释从潜在的非正常数据中得出的meta-d'值时应谨慎.
- 当正常性不确定时,基于SDT的替代方法可能会提供更可靠的元认知测量.
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