Lying is one of the most elusive qualities humans have. For that reason, two researchers at the University of Chicago’s business school set out learn the best way to increase accuracy when detecting a lie. The study, published in Proceedings of the National Academy of Sciences, is the first to discover how powerful lie detection is when done collaboratively in groups.
“We find a consistent group advantage for detecting small ‘white’ lies as well as intentional, high-stakes lies told for personal gain,” said the study’s lead author Nicholas Epley, a business professor, in a press release. “This group advantage seems to come through the process of group discussion rather than statistical aggregation of individual opinions.”
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