科学方法说明书提供了 (一些) 对因果关系错觉的保护
Julie Y L Chow1,2, Micah B Goldwater2, Ben Colagiuri2
1School of Psychology, University of New South Wales, Sydney.
Open mind : discoveries in cognitive science
|June 3, 2024
概括
关于科学方法的说明,比如将结果与基准率进行比较,可以减少对无效治疗方法的高估. 然而,当结果频繁发生时,这种减弱效应是不完整的.
科学领域:
- 认知心理学 认知心理学
- 决策科学 决策科学 决策科学
- 行为经济学是一种行为经济学.
背景情况:
- 由于结果密度效应,人们经常高估治疗的疗效,治疗和结果的频繁同时发生会膨胀感知因果关系.
- 这种认知偏见导致对干预措施的有效性产生虚幻的信念,即使它们没有科学支持.
研究的目的:
- 调查是否指导参与者进行科学基准率比较可以提高评估无效治疗方法的准确性.
- 探索基准利率信息如何影响顺序和总结数据格式的因果判断.
主要方法:
- 参与者接受了指导,将治疗效应与没有治疗的基准率进行比较.
- 使用逐个试验的应急学习任务 (由参与者控制和实验者确定的提示管理) 和总结数据呈现来评估因果判断.
主要成果:
- 基准率指令通过减少顺序任务中的提示性试验的采样,减少了虚幻的信念.
- 在摘要形式中,基准利率指令直接减少了因果错觉.
- 基准利率指令的有效性是局部的,参与者仍然高估了结果概率很高时的有效性.
结论:
- 关于科学推理的简单指令,特别是基率比较,可以在判断治疗疗效时部分消除认知错误.
- 这些发现强调了科学素养在减轻与因果关系和决策相关的常见认知偏见方面的潜力.
- 可能需要进一步的研究来完全克服虚幻的因果判断,特别是在高概率的结果场景中.
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