It's interesting that so much study as been done on detecting deception, but there is little serious scholarship on how to get away with a lie. Maybe they're two sides of the same coin, or maybe it's that we're so good at lying that there isn't much room for improvement.

People don't seem to be very good at spotting deception signals. On average, over hundreds of laboratory studies, participants distinguish correctly between truths and lies only about 55 percent of the time. This success rate holds for groups as diverse as students and police officers. "Human accuracy is really just barely better than chance," says DePaulo.
Deception is a really fascinating arms race, especially considering that it's the main flaw with just about every game-theory-based explanation for cooperation. It's always slightly more expensive to catch liars than it is to lie.

(HT: GeekPress.)



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