You must be lying because I don’t understand you: Language proficiency and lie detection.

We examined the impact of interviewees’ language proficiencies on observers’ lie detection performance. Observers (N = 132) were randomly assigned to make deception judgments about interviewees (N = 56) from Four proficiency groups (i.e., native, advanced, intermediate, and beginner English speakers). Discrimination between lie- and truth-tellers was poorest when observers judged beginner English speakers compared to interviewees from any other proficiency group. Observers were also less likely to exhibit a truth-bias toward nonnative than native English speakers. These results suggest that interviewing individuals in their nonnative languages can create inequalities in the justice system. (PsycINFO Database Record © 2016 APA, all rights reserved)

from Journal of Experimental Psychology: Applied - Vol 22, Iss 4 http://bit.ly/2gS1b1K

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