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How to detect a liear


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1. Disguised smiling

2. Lack of head movement

3. Increased rate of self-adapters (eg., movements such playing with an object in hands, scratching one's head etc.)

4. Increased/Heightened pitch of voice

5. Reduced rate of speech

6. Pause fillers (uh, hm, er)

7. Less corresponding, matching nonverbal behavior from the other communication methods (ex. the movement of hands doesn't match the substance of the lie that is being told orally)

Lie Detection Methods

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