Which of the following statements about the polygraph test is TRUE?
A)An innocent person has nothing to fear from a polygraph test.
B)Traditional polygraphs measure sympathetic and parasympathetic responses.
C)The polygraph can distinguish the subtle physiological differences between arousal due to anxiety versus excitement.
D)The polygraph is accurate in detecting truth or lies in about 99% of cases.

Question

Quizplus · Accepted Answer

Traditional polygraphs measure physiological responses that are controlled by the autonomic nervous system, which includes both the sympathetic and parasympathetic nervous systems. These responses, such as heart rate, blood pressure, and sweating, can indicate stress or arousal, which is why they are used in polygraph tests.

Which of the Following Statements About the Polygraph Test Is