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Do polygraphs work and should we keep using them?

You’ve probably seen this device before. This is a “polygraph” — which is more popularly known as a lie detector test.But just how often itcancatch you in a lie is shrouded in controversy. Regardless, thousands of polygraphs are given each year in the US, alone, for everything from government clearance […]
Do polygraphs work and should we keep using them?