Lie Detector
Lie Detector. there are various types- the Stoelting and Keeler are best known.
Polygraph examiner
The polygraph test is not "proof-positive". The polygraph test is not completely unreliable.
parts of a polygraph machine
AHH a lie detector ANSWER by Engl1sh: A perfessional typically uses the term 'polygraph' test.
American Polygraph Association was created in 1966.
Yes, a polygraph is better than 95% accurate with a skilled examiner:)
The full scope Polygraph is any typical polygraph but it includes lifestyle questions. E.G. Have you ever had sexual relations with underage children?
A polygraph is used to help detect if someone is lying.
The polygraph is commonly used during criminal investigations to determine whether a suspect is telling the truth.
Because polygraphs measure stress. The presumption is that if you are stressed, you are lying. In reality, there are many causes of stress and many reasons other than lying that one can fail a polygraph. The polygraph has been known for many years to be junk science, and the fact that it is still legal to use it is one of the shameful aspects of law enforcement and security. BTW: the polygraph does not say you are lying. The "technician" who interprets it is the one who decides that, and he or she is not even a trained psychologist.