Myths about liars - what research says about it
According to deception researcher Maria Hartwig, it's a misconception that you can spot a liar by the way they act.
Despite decades of searching, researchers have found little evidence to support belief about liar's behaviors such as - averted gaze, rapid blinking, talking louder, shrugging, fidgeting, stuttering, movement of the hands, arms, or legs, exaggerated yawning, covering the mouth while speaking, whistling, excessive personal grooming .
None proved reliable indicators of a liar.
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