A _______________ is a device which can measure physiological arousal such as heart rate and palm sweat. It is often referred to as a "lie detector."
FIll in the blank with correct word.
Answer: polygraph
Rationale: The polygraph, casually referred to as the "lie detector," measures respiration, blood pressure, and palm sweat—sympathetic nervous system responses that should increase when someone lies.
Psychology
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Indicate whether this statement is true or false.
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