Polygraph tests don’t work as lie detectors and they never have | Popular Science

“When people say the polygraph doesn’t work, I’d call [them] on that,” Synnott says. “The polygraph always works, because all the polygraph does is measure physiological output.” But, he says, it’s never “detected” a lie.

Source: Polygraph tests don’t work as lie detectors and they never have | Popular Science

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