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Deception Detection

Psychologists try to learn how to spot a liar

"Is he lying?" Odds are, you'll never know. Although people have been communicating with one another for tens of thousands of years, more than 3 decades of psychological research have found that most individuals are abysmally poor lie detectors. In the only worldwide study of its kind, scientists asked more than 2,000 people from nearly 60 countries, "How can you tell when people are lying?" From Botswana to Belgium, the number-one answer was the same: Liars avert their gaze.

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