How do you pass a polygraph test?


A polygraph test can be passed by manipulating the body's response to control questions. A participant's lies are only considered lies when they register a higher response than control questions. The results can therefore be manipulated in a participant's favor if the participant is able to elicit a higher response to control questions than the relevant questions of the examination.

Polygraphers score tests by comparing physiological responses, such as breathing and heart rate, to control questions with responses to relevant questions. The participant fails the test if the latter reactions are greater. One method of inducing a higher physiological response to the control questions is to place something sharp such as a thumbtack inside the shoe, where it is easily accessible to the foot. This gives the participant the opportunity to step down on the thumbtack during control questions to induce high physiological responses, but not relevant questions.

Some polygraphers combat this method by insisting that participants remove their shoes before testing takes place. In this instance, a participant can use another method, such as thinking emotional thoughts or attempting to solve difficult math problems in his head. The ease with which participants are able to beat polygraphs is one reason why many anti-lie-detector campaigns are in effect, notes LiveScience.

Q&A Related to "How do you pass a polygraph test?"
The best way to pass a polygraph test is to tell the truth! The test is designed to observe your blood pressure, heart rate, breathing pattern, and sweat while you are asked a series
1. Submit to the polygraph as if it were nothing more than a standard interview. Refrain from taking any medication, drugs (prescription or illicit) or alcohol before the exam, as
The dirty little secret behind the polygraph is that the "test" depends on trickery, not
you don't lie
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