A polygraph is
a. an emotion detector. c. a machine that measures brain reaction.
b. a foolproof lie detector. d. admitted as evidence in most courtrooms.
Question 2
Which of the following is NOT a cue that someone is lying.
a. Less blinks before the lie and more blinks after
b. Inconsistencies between facial expressions and other body movements.
c. Relatively long explanations without excessive hesitations.
d. Dilated pupils