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What is a lie detector it is a lying machine to see if a person is lying or not.?
A lie detector is a machine that monitors brain waves and heart rate to be able to tell if a person is telling the truth.
What are the principle of operation of lie detector?
Lie detectors, or polygraph machines as they're more officially known, are large contraptions that are filled with buttons, levers, paper, and measuring devices. They have been used for years in law enforcement to detect whether or not someone is actually lying to officials. The reason why people would lie to law enforcement officials is obvious - they committed a crime that they don't want to get caught for. Lie detectors can help solve this problem by asking a person who's strapped to a lie detector several questions and then analyzing the results. However, lie detectors still aren't permissible in court. This means that should a person fail a lie detector, they will not be able to be proven as lying in a court of law. And likewise, a person will not be able to use the results of a lie detector test to prove that they are telling the truth. This is because lie detectors can't actually detect if a person is lying. They can only tell if the person is displaying deceptive behaviour.
Can you have lie detector test done whilst pregnant?
There is no reason a pregnant woman cannot have a lie detector test done because it goes by blood pressure. When a person is trying to cover a lie their blood pressure rises.
What should a person do for a friend who always gets caught in telling a lie?
There isn't anything that you can do directly but this person will have to address their lying issues and in order for them to stop getting caught would be not to lie in the first place. Do what is best for you and be careful as you could be in the wrong place at the wrong time with this person and get caught up in their lies that could cause problems for you.
Where can you get a lie detector?
California
Can Someone can get around lie detector?
yes people can it actually detects how nervous u are not really a lie detector
How can a lie be detected?
A lie detector test follows you pulse, if you are asked a question and your heart rate rises or falls then it will be a lie. If you can regulate your pulse you cannot be detected on a lie detector
What actors and actresses appeared in Lie Detector - 2005?
The cast of Lie Detector - 2005 includes: Rolonda Watts as Host
What do you call a lie detector?
AHH a lie detector ANSWER by Engl1sh: A perfessional typically uses the term 'polygraph' test.
What is the observation for pinocchio's arm?
lie detector test used by person I holding out their arm while person II lies or tells the truth
Can a lie detector determine if someone stolen something or had knowledge it was stolen?
Lie detector results are not admissible in the courts in the United States. On rare occasions, a defense attorney and/or a district attorney may conduct a lie detector test if there are doubts about a case.
How is a lie detector prepared?
Heart rate
