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High stakes lies: Police and non-police accuracy in detecting deception

Wright Whelan, Clea
; 
Wagstaff, Graham
; 
Wheatcroft, Jacqueline M.
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Affiliation
University of Chester ; University of Liverpool ; University of Liverpool
EPub Date
Publication Date
2014-06-26
Submitted Date
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Psychology
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Abstract
To date, the majority of investigations in to accuracy in detecting deception have used low stakes lies as stimulus materials, and findings from these studies suggest that people are generally poor at detecting deception. The research presented here utilised real life, high stakes lies as stimulus materials, to investigate the accuracy of police and non-police observers in detecting deception. It was hypothesised that both police and non-police observers would achieve above chance levels of accuracy in detecting deception, that police officers would be more accurate at detecting deception than non-police observers, that confidence in veracity judgements would be positively related to accuracy, and that consensus judgements would predict veracity. 107 observers (70 police officers and 37 non-police participants) watched 36 videos of people lying or telling the truth in an extremely high stakes, real life situation. Police observers achieved mean accuracy in detecting deception of 72%, non-police observers achieved 68% mean accuracy, and confidence in veracity judgements were positively related to accuracy. Consensus judgements correctly predicted veracity in 92% of cases.
Citation
High stakes lies: Police and non-police accuracy in detecting deception, Psychology, Crime & Law, 2014, 21(2), pp.127-138
Publisher
Taylor & Francis
Journal
Psychology, Crime & Law
Research Unit
URI
http://hdl.handle.net/10034/347362
DOI
10.1080/1068316X.2014.935777
PubMed ID
PubMed Central ID
Type
Article
Language
en
Description
This is an Accepted Manuscript of an article published by Taylor & Francis in Psychology, Crime and Law on 26 June 2014 available online: http://wwww.tandfonline.com/10.1080/1068316X.2014.935777
Series/Report no.
ISSN
1068-316X
EISSN
1477-2744
ISBN
ISMN
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ESRC grant number ES/I013288/1
Additional Links
http://www.tandfonline.com/toc/gpcl20/current#.VRqvEE10xFo
http://www.tandfonline.com/doi/abs/10.1080/1068316X.2014.935777