Frequently asked questions about lie detectors

If you have been at least once in the situation of feeling as if you are being lied to about certain things, then you have definitely thought about lie detectors. In the last years, these instruments have evolved a lot and they start presenting extremely accurate and reliable information, so in case you want to check whether a person you know or love is lying to you regarding certain aspects, then you should consider looking for the best company in this domain. You can do some research online and even start with websites such as In order to be better prepared for when you start your research, you might want to read the most frequently asked questions about lie detectors and polygraph tests to help you get a clearer idea regarding this matter.

How does it work?

Polygraphs are instruments made out of numerous other devices that people mostly use in the scientific and medical field. The examinee has some things attached to the body during the test and those are some breathing tubes, a standard blood pressure cuff, and some electro-dermal activity finger cuffs, and all of them are meant to measure the physiological reactions of the human body.

Does it hurt?

No, taking a polygraph test does not hurt in any way. It is true that the moment you see yourself with all those things attached to your body might be a little scary for you, but it is important to know that it is painless.

Is it possible to fail the test if you are nervous?

This is also among the frequently asked questions people have the moment they are about to take a polygraph test. People fear that if they are nervous before or during the test, they can fail it, but this is not true. You cannot fail a lie detector test just because you feel nervous, since feeling this way is actually normal before the exam. The only way to fail the test is by telling lies.

Can you beat the polygraph test?

People have the misconception that if they read some tips and tricks online about how to beat the polygraph test they can actually succeed. Truth is they could not have been any more wrong than this. The only way to actually “beat” the test is to have an inexperienced and unprofessional examiner. A professional examiner who has vast experience in the domain will know if the examinee is trying to distort the readings on the lie detector and will immediately draw the examinee’s attention or even stop the test.

Is it legal for people under the age of 18 to take polygraph tests?

Yes, it is legal for anyone to take a lie detector test, but in case the person is under the age of 18, that person must come to the test with a parent or guardian and have written consent of them.

Overall, these are some of the most frequently asked questions people have when it comes to lie detectors.