Science Focus
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Lying well is hard — but not in the way you might think.
We usually look for nervousness as one of the signs of lying. Like the person is worried about getting caught. But that's actually a weak predictor.
Some people are so confident they don't fear getting caught. Others are great at hiding it.
Some get nervous when questioned so you get false positives. And others are lying to themselves — so they show no signs of deliberate deception.
So lying isn't necessarily hard in terms of stress. But it is hard in terms of "cognitive load." What's that mean?
Lying is hard because it...
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original post: http://theweek.com/article/index/258917/heres-how-to-really-detect-lies
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