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What is a Lie Detector Test ?

Dec 2nd 2019 at 10:05 AM

Lie Detector Test

A polygraph machine or popularly known as lie detector is utilised to help in knowing if someone is truthfully answering a specific set of questions or he or she is lying. It is a combination of different devices utilised to measure the physical responses of a person to what is known as irrelevant, control as well as relevant questions. How the examiner interprets, this information will find out if the person being asked is telling a lie.

In a conventional lie detection test, the person is asked many questions before the actual test is done.

These are utilised make what is called as a baseline. How the personal reactions to the set of questions will help make the baseline. The blood pressure, pulse, rate of breathing as well as how much they sweat and blood flow can be all measured as physical reactions to help make the baseline. Once the actual test questions are asked the reply to these questions is compared to those questions asked to make the baseline.

There are three kinds of questions asked to the person. Some are irrelevant like asking the person what his or her name is. Others are called directed-lie or probable lie control questions and most of the time get a reply that is not truthful. This kind of question can be asking the person if he or she ever committed a crime.

The kind of question most significant to the examiner is what is known as a relevant question. A relevant question would be like asking the subject if they committed the crime. If the person responds to the probable-lie control question is more significant compared to the related issues, then the reply to the relevant question is well thought-out truthful.

It must be noted there are over 40 Government employees working with the lie detector in the UK, to date they have put 170 sex offenders back behind bars through the lie detector test program. Knowing how this useful machine works could help you understand how people reply to questions when it comes to telling the truth.

Lie detector indeed has lots of uses. It also provides lots of benefits. If the time comes that you need to know the reality or the truth, you can consider a lie detector test. Some companies offer lie detector services, make sure to find one that is both reputable and reliable as well. Lie Detectors UK are a leading Lie Detector Test company in the UK only using fully qualified American Polygraph Examiners who are also members of the British Polygraph Association. They charge £399 at their head office in Kent and £499 anywhere else in the country fixed pricing. Call today and discuss your case with an examiner.

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