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Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/74417

Type: Conference item
Title: Testing a cognitive consistency account of the postidentification feedback effect
Author: Semmler, Carolyn
Ashenden, Anna
Issue Date: 2009
Conference Name: Biennial Conference of the Society of Applied Research in Memory and Cognition (8th : 2009 : Kyoto, Japan)
School/Discipline: School of Psychology
Statement of
Responsibility: 
C. Semmler and A. Ashenden
Abstract: The distortion of eyewitness confidence by postidentification feedback represents a major challenge to the use of eyewitness evidence, yet there is no coherent theoretical explanation of the psychological processes governing distortion. We tested a cognitive consistency account of this phenomenon, manipulating pressure to choose or reject the lineup (via pre-lineup instructions) and postidentification feedback (confirming, disconfirming or no feedback) in a between-subjects factorial design (N = 538). Results support the consistency account with larger effects of confirming feedback on choosers’ confidence when the opportunity to reject the lineup was highlighted. Nonchoosers showed greater distortion when they were told they were wrong and had been pressured to choose.
Description: Paper presented at the Eighth Biennial Meeting of the Society for Applied Research in Memory and Cognition, 27th July 2009
Rights: Copyright status unknown
Description (link): http://www.tuat.ac.jp/~sarmac/index.html
Appears in Collections:Psychology publications

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