| The effects of confederate influence and confidence on the accuracy of crime judgements. | |
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MedLine Citation:
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PMID: 17976500 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Building on recent work which has investigated social influences on memory and remembering, the present experiment examined the effects of social pressure and confederate confidence on the accuracy and confidence of eyewitnesses. Sixty undergraduate participants watched a video of a staged mugging and then answered questions about the video out loud in the presence of either one or three confederates who had also watched the film with them. Unbeknownst to the participant, the confederate(s) always gave incorrect responses to four out of the eight questions. Participants and confederates were also asked to give confidence scores out loud for each of their answers. Again, unbeknownst to the participant, the confederate(s) always expressed either high or low confidence scores for the incorrect information, depending on condition. Participants gave fewer correct answers, and were less confident, in the presence of three, as opposed to one, confederates. Participants were also more confident, yet no more accurate, when the confederate(s) gave high, as opposed to low, confidence scores. Thus the presumed independence of evidence given by multiple witnesses cannot be safely assumed. |
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Authors:
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James Ost; Hossein Ghonouie; Lorna Cook; Aldert Vrij |
Publication Detail:
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Type: Clinical Trial; Journal Article Date: 2007-10-31 |
Journal Detail:
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Title: Acta psychologica Volume: 128 ISSN: 0001-6918 ISO Abbreviation: Acta Psychol (Amst) Publication Date: 2008 May |
Date Detail:
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Created Date: 2008-04-21 Completed Date: 2008-08-29 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370366 Medline TA: Acta Psychol (Amst) Country: Netherlands |
Other Details:
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Languages: eng Pagination: 25-32 Citation Subset: IM |
Affiliation:
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Department of Psychology, University of Portsmouth, King Henry Building, King Henry I Street, Portsmouth, Hampshire PO12DY, UK. james.ost@port.ac.uk |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Crime* Female Humans Judgment* Male Mental Recall* Multivariate Analysis Self Assessment (Psychology)* Social Behavior Social Conformity* Videotape Recording |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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