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Polygraph

  • In: Encyclopedia of Deception
  • Edited by: Timothy R. Levine
  • Subject:Interpersonal Relationships, Interpersonal Communication, Moral Development

A polygraph, commonly called a lie detector, is literally a device for graphically displaying multiple physiological measures of human arousal simultaneously (for example, blood pressure, heart rate/pulse, the skin's electrical conductance via varying levels of water being ...

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