A lie detector is actually a(n)_____ that measures electrical activity in the participant's skin.
A) galvanometer
B) video camera
C) eye camera
D) pupilometer
E) people meter

Question

Quizplus · Accepted Answer

A galvanometer is specifically designed to measure small changes in electrical activity in the skin, which is the basis for lie detection. The other options listed are not relevant to measuring skin conductance.

A Lie Detector Is Actually A(n)_____ That Measures Electrical Activity