The Dangers of Co-witness Familiarity: Investigating the Effects of Co-witness Relationships on Blame Conformity

Mojtahedi, Dara and Ioannou, Maria and Hammond, Laura (2017) The Dangers of Co-witness Familiarity: Investigating the Effects of Co-witness Relationships on Blame Conformity. Journal of Police and Criminal Psychology, 33 (4). pp. 316-326. ISSN 0882-0783

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Abstract

The purpose of this study was to examine the effects of pre-existing relationships between co-witnesses on statement similarity, after a post-event discussion. Although research studies have attempted to observe the effect of a pre-existing relationship on eyewitness pairs, few have investigated these effects on larger groups of co-witnesses. Four hundred and twenty participants took part in an eyewitness simulation experiment. Participants were placed into groups of five, and viewed video footage of a bar fight. After witnessing the event, participants discussed the event with group members before giving individual statements privately. The study employed a one-way between subjects design with three conditions; 1) participants discussed the event with familiar co-witnesses; 2) participants discussed the event with unfamiliar co-witnesses; and 3) participants were not permitted to discuss the event with their co-witnesses (control). It was found that post-event discussion between co-witnesses increased the level of similarity in blame attribution within the eyewitness groups; however, this difference was only significant in groups where eyewitnesses shared a pre-existing relationship. In addition, the level of uncertainty was reduced when eyewitnesses took part in post-event discussions. It is suggested that this might be attributed to an increased level of informational influence between familiar co-witnesses. However, there was no evidence suggesting that post-event discussions led to an increase in false eyewitness statements.

Item Type: Article
Subjects: C800 Psychology
Divisions: Faculty of Business, Law and Social Sciences > School of Social Sciences > Dept. Psychology
REF UoA Output Collections > REF2021 UoA 04: Psychology, Psychiatry and Neuroscience
Depositing User: Silvio Aldrovandi
Date Deposited: 14 Jan 2019 13:50
Last Modified: 14 Jan 2019 13:50
URI: http://www.open-access.bcu.ac.uk/id/eprint/6834

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