For purposes of lie detection,investigators have most commonly made use of a(n)
A) electrocardiograph.
B) electroencephalograph.
C) myograph.
D) polygraph.

Question

Quizplus · Accepted Answer

Lie detection is commonly done using a polygraph, which measures physiological responses such as heart rate, blood pressure, and skin conductivity to detect deception. The other options listed are devices that measure specific physiological responses but are less commonly used in lie detection.

For Purposes of Lie Detection,investigators Have Most Commonly Made Use