检查警告对目击者记忆的影响
McKinzey G Torrance1, Jessica M Karanian2, Elizabeth Race3
1Department of Psychology, Tufts University, Medford, USA. mckinzey.torrance@tufts.edu.
Scientific reports
|September 29, 2025
概括
警告有效地减少了错误信息对目击者记忆准确性的影响. 暴露前和暴露后的警告都能提高记忆力,但重复警告可能会降低对准确记忆的信心.
科学领域:
- 认知心理学 认知心理学
- 法医心理学 法医心理学
背景情况:
- 目击者记忆很容易受到事件后的错误信息的影响.
- 之前的研究表明,警告可以减轻错误信息的影响.
研究的目的:
- 研究警告时间 (暴露前与暴露后) 和频率对目击者的记忆准确性的影响.
- 检查警告如何影响对记忆准确性的元认知评估.
主要方法:
- 两项实验是用假目击者进行的.
- 实验1比较了预警和警告后的有效性.
- 实验2操纵警告频率 (一个与两个警告).
主要成果:
- 警告前后都同样减少了错误信息对记忆的负面影响.
- 重复警告也改善了记忆准确性和元认知评估.
- 然而,反复警告导致对未受污染的记忆准确性的信心降低.
结论:
- 警告可以提高目击者记忆的准确性,并支持记忆与信任的关系.
- 过度警告可能导致对目击者准确回忆的信心不足.
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