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Yes and no. What polygraph machines do is monitor specific biological functions such as pulse and skin temperature. The polygraph operator asks a series of test questions with known answers to esatblish a baseline for the subject. When humans lie there are a few typical responses, such as an elevated pulse. The polygraph operator decides whether or not the subject has responded honestly or not based on the changes in the measured functions.
What else can I help you with?
Why were lie detectors made?
To detect when people lie.
If in whole country lie detectors are kept What would happen?
All will tell lie.
Where can one find more information about lie detectors?
Finding information on lie detectors is easy. A police station can give you information on lie detectors. There are now lie detectors for cell phone applications. However, using the applications on phone is not a good source of proof to tell if someone is lying or not.
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.
How do you test smoke detectors to ensure they are functioning properly?
To test smoke detectors, press and hold the test button until the alarm sounds. If the alarm does not sound, replace the batteries or the detector itself. It is recommended to test smoke detectors monthly to ensure they are functioning properly.
What is a lie detector used for?
Lie detectors are used in law and legal issues to try to determine if someone is telling the truth or not.
What is used by employers to make sure you were telling the truth on your resume?
lie detectors
What church raised millions selling members electropsychometer lie detectors?
Dayy
What are the best answers to the McDonald's personality test?
The true ones that apply to your actual personality. It won't help either you or McDonald's to lie on your test.
When was True True Lie created?
True True Lie was created in 2006.
How do Lie Detectors tell if someone is telling lies?
First off, lie detectors are not real. The closest thing to it would be a polygraph test, and that does not determind if one is lying. The test measures certain physical characteristics (such as heartrate, blood pressure, skin conductivity, respiration, to name a few) and determines if any of those change upon the testee being asked a question. This, combined with an experienced examiner, can help determine if the testee is lying; though it can not say so for certain.
Is it true that true means true but means lie?
no it is not true
