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Delay and déjà vu : timing and repetition increase the power of false evidence

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Wright, Deborah S., Wade, Kimberley A. and Watson, Derrick G. (2013) Delay and déjà vu : timing and repetition increase the power of false evidence. Psychonomic Bulletin & Review , Volume 20 (Number 4). pp. 812-818. doi:10.3758/s13423-013-0398-z

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Official URL: http://dx.doi.org/10.3758/s13423-013-0398-z

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Abstract

False images and videos can induce people to believe in and remember events that never happened. Using a novel method, we examined whether the timing of false evidence would influence its effect (Experiment 1) and determined the relationship between timing and repetition (Experiment 2). Subjects completed a hazard perception driving test and were falsely accused of cheating. Some subjects were shown a fake video or photograph of the cheating either after a 9-min delay (Experiment 1) or more than once with or without a delay (Experiment 2). Subjects were more likely to falsely believe that they had cheated and to provide details about how the cheating happened when the false evidence was delayed or repeated—especially when repeated over time—relative to controls. The results show that even a strikingly short delay between an event and when false evidence is disclosed can distort people’s beliefs and that repeating false evidence over a brief delay fosters false beliefs more so than without a delay. These findings have theoretical implications for metacognitive models of autobiographical memory and practical implications for police interrogations.

Item Type: Journal Article
Divisions: Faculty of Science > Psychology
Journal or Publication Title: Psychonomic Bulletin & Review
Publisher: Psychonomic Society
ISSN: 1069-9384
Official Date: August 2013
Dates:
DateEvent
August 2013Published
Volume: Volume 20
Number: Number 4
Page Range: pp. 812-818
DOI: 10.3758/s13423-013-0398-z
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

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