Which statement about polygraph lie detection is TRUE?
A)Polygraphs can detect lies with greater accuracy than can chance.
B)Lie detectors are slightly worse than are humans at detecting when people are lying.
C)Polygraphs are rarely used by business and government agencies.
D)Polygraphs have an extremely low false-positive error rate.

Question

Quizplus · Accepted Answer

Polygraphs are designed to measure physiological responses that are believed to be indicators of stress or deception, such as changes in heart rate, blood pressure, respiration, and skin conductivity. While not infallible, polygraphs can detect lies with greater accuracy than chance, making them a tool used in certain contexts like criminal investigations and security screenings. However, their accuracy and reliability are subjects of debate, leading to limitations on their use in some legal and professional settings.

Which Statement About Polygraph Lie Detection Is TRUE