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Detecting Deception in Second-Language Speakers

NCJ Number
Legal and Criminological Psychology Volume: 18 Issue: 1 Dated: February 2013 Pages: 115-127
Cayla S. Da Silva; Amy-May Leach
Date Published
February 2013
13 pages
This study examined whether language proficiency had an impact on lie detection.
The authors examined whether language proficiency had an impact on lie detection. The authors collected video footage of 30 targets who spoke English as their native or second language and who lied or told the truth about a transgression. Undergraduate students (N = 51) then judged the veracity of these 30 clips and indicated how confident they were in their ratings. Participants were more confident when judging native-language truth-tellers than second-language truth-tellers. In addition, participants were more likely to exhibit a truth-bias when observing native-language speakers, whereas they were more likely to exhibit a lie-bias when viewing second-language speakers. Given the difficulties and biases associated with second-language lie detection, further research is needed. Abstract published by arrangement with John Wiley & Sons.