Show:
Polygraphs
Lie Detection
100
What is the function of a polygraph?
It measures physical responses that accompany emotions to detect whether someone is lying or not.
100
What are lie detectors or polygraphs used for today?
They are used by corporations to screen applications for honesty.
200
What can polygraphs not detect?
They cannot detect whether emotion is from anxiety, irritation, or guilt.
200
What did the government do because of the polygraph tests' inaccuracy?
The government banned/prohibited it.
300
Are polygraphs accurate?
No, most of the time it is inaccurate.
300
What do criminals do to increase their arousal?
Bite their tongues.
400
What are polygraphs used for?
Criminal Investigation.
400
What is another name used for lie detection?
Fear Detection
500
What were lie detectors or polygraphs used for before?
In law enforcements and national security.
500
How do many judge the guilty knowledge test?
Many judge that the 'guilty knowledge test' is "scientifically sound."