Humans as Lie Detectors

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Humans can be used as lie detectors. Albeit many of us think we're avid liars, there are many tells that could give us away to others. Being able to tell whether or not someone is lying is important to the relationships you hold with people. Honesty and communication are key to building strong friendships.
What can you do to tell if someone is lying? Although our textbook says that the best way of finding out whether or not someone is lying is to listen to what they're saying as opposed to how they're saying it, being able to read gestures and body language is fun and interesting. Here are a few tells that can show dishonesty:


  • A person who is lying to you will avoid eye contact or turn their bodies away from you.

  • Liars are unlikely to tough their chest or heart with an open hand, but they will touch their face, mouth, and throat. Scratching the nose or behind the ear is another common gesture of liars.

  • The book uses the example of the Duchenne smile vs. the Pan Am smile. A real smile uses the entire face: eyes and mouth, but a fake smile involves just the mouth muscles.

  • A liar might unconsciously place objects between themselves and you.

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Here is a good site that can tell you more about body language and lying:
http://www.blifaloo.com/info/lies.php

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This page contains a single entry by lachx016 published on November 3, 2011 3:34 PM.

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