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7 Answers
- Anonymous3 years agoFavorite Answer
They are not allowed in court, even if the defendant asks to have one so he can prove innocence. Only the information police gather is of interest to the judge, everything else if valueless. Please try to prove me incorrect with facts, not ignorant comments in blind ignorance of reality.
- !Lv 73 years ago
A polygraph doesnt really prove anything. Its one of those bits of junk dcience thst hollywood loves, because it provides a nest little graphic, but it conclusively prove someone is telli g the truth. It measures galvanic skin response, which changes under stress, but it doesnt work if lying doesnt stress you out (psycho/sociopathic individuals can pass a polygraph easily), and there are ways you can fool the machine into giving a high base line which then masks subsequent results. Polygraphs are meaningless, and we need to stop calling on them as a measure of truth.
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- Russ in NOVALv 73 years ago
No. Polygraph tests are overrated as far as definitively identifying the truth.