Lie Detector

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Polygraph Test Popular Q&A

Q: How to Relax for a Polygraph Test.
A: 1. Prepare for a polygraph test as you would for a standardized college entry examination. Prepare for the polygraph test as you would for any other type of tes... Read More »

Q: How a polygraph test works?
A: Reason for Use. A polygraph machine is essentially a collection of devices used to monitor the involuntary changes that occur in the body when lying. The polygr... Read More »

Q: How much is a polygraph test?
A: the test itself can cost anywhere from about 400 dollars to as much as 2000 dollars depending on where and when you want to take it. Read More »

Q: How accurate is polygraph test?
A: The answer to this question lies somewhere between "completely foolproof" and "worthless, depending on who you ask. Polygraphs measure changes in respiration, h... Read More »

Q: How correct are polygraph tests?
A: Polygraph testing is probably only around 70 percent accurate, and it has a great Read More »