Not very. In fact, in most courts, it is not considered credible. It's power is mostly in the person's belief that it has more credibility than it does. All the system does in measure GSR (galvanic skin resistance), respiration depth and frequency, skin temp and blood pressure. And rise or slowing in any of these can be associated with any emotion at all, and emotion does not indicate guilt of anything. Therefore, a 'lie detector' relies heavily on the guesswork (or 'experience') of the examiner.
by Abba Elijah aka elijagod4 years ago
What are the basics for researching on a topic ?What are the key note to observe when researching in a said topic
by Marissa6 years ago
Has anyone received a negative result from an at home pregnancy test and come to find later that you were truly pregnant?
by trixiemalu836 years ago
i'm 5 weeks late and got a negative result on a cheap pregnancy is it a reliable answeri missed my depo- provera injection 5 weeks ago now
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