One Problem with the Use of the Polygraph for Lie

question 47

Multiple Choice

One problem with the use of the polygraph for lie detection is that

• A) polygraph assessments are more expensive than brain scans.
• B) anxiety,irritation,and guilt feelings all prompt similar physiological reactivity.
• C) emotions involve expressive behaviors as well as autonomic nervous system arousal.
• D) innocent people are presumed to be guilty at the very beginning of any lie detector test.

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