执法中的知觉-认知专长:一个客体识别任务

IF 2.2 Q3 ENGINEERING, INDUSTRIAL
Dakota D. Scott, Lisa Vangsness, Joel Suss
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引用次数: 0

摘要

少数执法领域的感知-认知专业知识和欺骗研究尚未检查警察培训生和警察的感知-认知专业知识差异。目前的研究使用了知觉-认知专业知识和欺骗模型的方法。参与者观看了暂时屏蔽的视频,视频中演员诚实地从他们身上的隐藏位置抽出武器,并欺骗性地抽出非武器。参与者判断演员是拿着武器还是没有武器。使用信号检测指标-敏感性和反应偏差-我们没有发现感知-认知专业知识的证据;警察培训生和经验丰富的警察之间的绩效衡量没有显着差异。然而,与假设一致,我们确实发现,随着遮挡点的进展,受训警察和警官在识别物体方面变得更加敏感。此外,我们发现,在受训警察和警官中,随着遮挡点的增加,他们的反应偏差变得更加自由(即更有可能将物体识别为武器)。这些信息对执法实践和其他研究具有潜在影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Perceptual–Cognitive Expertise in Law Enforcement: An Object-Identification Task
The few perceptual–cognitive expertise and deception studies in the domain of law enforcement have yet to examine perceptual–cognitive expertise differences of police trainees and police officers. The current study uses methods from the perceptual–cognitive expertise and deception models. Participants watched temporally occluded videos of actors honestly drawing a weapon and deceptively drawing a non-weapon from a concealed location on their body. Participants determined if the actor was holding a weapon or a non-weapon. Using signal-detection metrics—sensitivity and response bias—we did not find evidence of perceptual–cognitive expertise; performance measures did not differ significantly between police trainees and experienced officers. However, consistent with the hypotheses, we did find that both police trainees and police officers became more sensitive in identifying the object as occlusion points progressed. Additionally, we found that across police trainees and police officers, their response bias became more liberal (i.e., more likely to identify the object as a weapon) as occlusion points progressed. This information has potential impacts for law enforcement practices and additional research.
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来源期刊
CiteScore
4.60
自引率
10.00%
发文量
21
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