Eyewitness metamemory predicts identification performance in biased and unbiased line-ups

IF 2.2 2区社会学 Q1 CRIMINOLOGY & PENOLOGY

Legal and Criminological Psychology Pub Date : 2020-02-03 DOI:10.1111/lcrp.12166

Renan Benigno Saraiva, Inger van Boeijen, Lorraine Hope, Robert Horselenberg, Melanie Sauerland, Peter J. van Koppen

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引用次数: 3

Abstract

Purpose

Distinguishing accurate from inaccurate identifications is a challenging issue in the criminal justice system, especially for biased police line-ups. That is because biased line-ups undermine the diagnostic value of accuracy post-dictors such as confidence and decision time. Here, we aimed to test general and eyewitness-specific self-ratings of memory capacity as potential estimators of identification performance that are unaffected by line-up bias.

Methods

Participants (N = 744) completed a metamemory assessment consisting of the Multifactorial Metamemory Questionnaire and the Eyewitness Metamemory Scale and took part in a standard eyewitness paradigm. Following the presentation of a mock-crime video, they viewed either biased or unbiased line-ups.

Results

Self-ratings of discontentment with eyewitness memory ability were indicative of identification accuracy for both biased and unbiased line-ups. Participants who scored low on eyewitness metamemory factors also displayed a stronger confidence–accuracy calibration than those who scored high.

Conclusions

These results suggest a promising role for self-ratings of memory capacity in the evaluation of eyewitness identifications, while also advancing theory on self-assessments for different memory systems.

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目击者元记忆预测有偏和无偏队列的识别性能

目的：在刑事司法系统中，区分准确和不准确的身份是一个具有挑战性的问题，尤其是对于有偏见的警察队伍来说。这是因为有偏见的排列破坏了准确性事后判断的诊断价值，如信心和决策时间。在这里，我们的目的是测试记忆容量的一般和目击者特异性自评，作为不受排列偏差影响的识别性能的潜在估计量。方法：参与者（N=744）完成了由多因素元记忆问卷和目击者元记忆量表组成的元记忆评估，并参加了标准目击者范式。在展示了一段模拟犯罪视频后，他们观看了有偏见或无偏见的排队。结果：对目击者记忆能力不满意的自评表明了有偏见和无偏见的队列的识别准确性。目击者元记忆因子得分较低的参与者也比得分较高的参与者表现出更强的置信度-准确性校准。结论：这些结果表明，记忆能力的自我评定在评估目击者身份方面有着很好的作用，同时也推进了不同记忆系统的自我评估理论。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Legal and Criminological Psychology Multiple-

CiteScore

4.00

自引率

4.30%

发文量

期刊介绍： Legal and Criminological Psychology publishes original papers in all areas of psychology and law: - victimology - policing and crime detection - crime prevention - management of offenders - mental health and the law - public attitudes to law - role of the expert witness - impact of law on behaviour - interviewing and eyewitness testimony - jury decision making - deception The journal publishes papers which advance professional and scientific knowledge defined broadly as the application of psychology to law and interdisciplinary enquiry in legal and psychological fields.