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Landex

LIE DETECTOR POLYGRAPH

LIE DETECTOR INCL. SOFTWARE and 6-Multiple measurement
(Pulse, skin resistance, 2x breath controL, TEMPERATURE AND AIR PRESSURE)

Frequently Asked Questions (FAQ)

 

What is a Polygraph?

A polygraph (= prolific writer), or lie detector, is a device that measures continuously and simultaneously the course of physical parameters such as pulse, respiration, or the electrical conductivity of the skin of a person during a survey and records. 


For what are lie detectors used for?

Basically, the polygraph can be used for all situations where you need certainty about the truth of a statement. Whether it is used as a loyalty test in a marriage or partnership, theft education or simply as a parlor game - it can be found versatile applications.


How accurate are lie detectors?

There have been more than 100 scientific studies published on the accuracy of polygraph tests. The accuracy of a properly conducted polygraph tests is therefore between 90% and 95%.


Can nervousness affect the polygraph test?

To be nervous before a lie detector test is not uncommon. Nervousness can not affect the result of the test - lies well do.


Is it possible to trick the polygraph? 

Assuming the person conducting the interview is trained and qualified to perform the test, this is highly unlikely. The polygraph is a medical device that changes the autonomic reactivity of a person records while being interviewed. If a person has made ​​an effort to control their behavior in order to distort the result, this is for a trained tester obvious when he looks at the polygraph recording.

 

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