Detect a Liar

You might be shocked to learn that more than 80 percent of lies go undetected. However, when you think back to being a young child, it shouldn't surprise you that lying is such a prevalent behavior. When quizzed about eating a piece of candy before dinner, most kids are guaranteed a chiding if they admit to the transgression, while lying provides a much lower probability of a punishment—that is, if they don’t get caught.

This opportunity-cost process that children go through to avoid getting in trouble sets the foundation for a pattern of lying in the future.

While people will always get away with lying, most lies are pretty easy to spot if you know how to read the signs. Here are a few techniques to determine if someone is telling the truth or not.

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