(September 22, 2018 at 7:52 am)Jehanne Wrote: If he's innocent, what does he have to fear from a FBI lie detector test?
They generate a lot of false positives:
https://www.psychologytoday.com/us/blog/...ctors-work
Quote:Interestingly, the polygraph is quite good at identifying liars but does no better than chance at detecting honest people according to Lykken. In other words, there is a 50:50 chance that a polygraph test will say an honest person is lying (a 50 percent “false positive” rate).