The real truth behind the lie detectors is that they
are not always accurately, or you can say they do not detect every lie being
spoken. After all it’s a machine, invented by men so you cannot guarantee its performance
to be cent percent true or unmistaken or any other word you prefer to use. The
very famous person Amir Liberman,
without any field based on computers knowledge found the company. Even he does
not claim the results of the voice analysis devices to be absolute true or
accurate. If any company does claim, them may be you should believe them if
they are God, because nobody in this whole wide world have till now invented
such a machine that is perfect in all means.
“A
person who is telling the truth is assumed to fear control questions more than
relevant questions. This is because control questions are designed to arouse a
subject's concern about their past truthfulness, while relevant questions ask
about a crime they know they did not commit. A pattern of greater physiological
response to relevant questions than to control questions leads to a diagnosis
of "deception." Greater response to control questions leads to a
judgment of no deception. If no difference is found between relevant and
control questions, the test result is considered "inconclusive." Learn
more on apa.org.
The lie detectors reads the heartbeat of a person,
gesture of the same, way of speaking, errors in speaking, stumbling words and
other criteria related to speech. No wonder it claims to catch the lie. It’s
obvious that when a person lie he stammers, some speaks fluent but their heart
beat rises, some frown or sweat, the technology
simply read the signs. You can do it too if you practice regularly. If you
believe the devices, try having a child speak of his imaginary friends and see
if it is detected. The answer is NO. Try now.
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