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Science Myths A Lot of People Still Believe & The Strange Story of the Polygraph

Something You Should Know

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The Polygraph - The Real Secret to the Polygraph

I think that the machine has obviously helped to put criminals away. But it's also perpetrated serious miscarriages of justice. It works because people believe it works so that the mere threat of being attached to a polygraph can compel someone to confess before the exam even takes place. Because they're so worried about being found out because they believe the machine works even if it doesn't actually work. That would be my contention.

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