When Should Evidence be Disclosed in an Interview with a Suspect? An Experiment with Mock-Suspects

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Title When Should Evidence be Disclosed in an Interview with a Suspect? An Experiment with Mock-Suspects
Author Sellers, Steven Todd; Kebbell, Mark Rhys
Journal Name Journal of Investigative Psychology and Offender Profiling
Year Published 2009
Place of publication United Kingdom
Publisher John Wiley & Sons Ltd.
Abstract The question of whether to disclose evidence to a suspect early on, or later, in an interview is often of critical importance for police offi cers' interviewing strategies. To shed light on this issue, an experiment was conducted in which 95 participants each committed a mocktheft as a hidden 'witness' observed them. A statement from the witness was presented to them during a subsequent interview in which they were 'suspects'. The time at which this evidence was disclosed to participants, and the evidence strength, was manipulated. Each participant was randomly assigned to one of four conditions; Early Weak, Early Strong, Late Weak, or Late Strong. Both late evidence disclosure, and strong evidence, produced higher confession rates than did early disclosure or weak evidence, and late disclosure of weak evidence resulted in the withdrawal of most of the confessions which had previously been made.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1002/jip.95
Copyright Statement Copyright 2009 John Wiley & Sons, Ltd. This is the pre-peer reviewed version of the following article: Journal of Investigative Psychology and Offender Profiling Volume 6, Issue 2, pages 151–160, June 2009, which has been published in final form at http://dx.doi.org/10.1002/jip.95
Volume 6
Issue Number 2
Page from 151
Page to 160
ISSN 1544-4767
Date Accessioned 2009-10-30
Date Available 2010-10-12T06:56:20Z
Language en_AU
Research Centre ARC Centre of Excellence in Policing and Security
Faculty Griffith Health Faculty
Subject Forensic Psychology
URI http://hdl.handle.net/10072/30256
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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