How credible are lie detector tests? - BBC News

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How credible are lie detector tests? - BBC News

How credible are lie detector tests? - BBC News

Posted: 04 Oct 2018 12:00 AM PDT

"If the examiner is well-trained, if the test is properly carried out, and if there's proper quality controls, the accuracy is estimated between 80%-90%," he says, adding that this is higher than the average person's ability to tell if someone is lying.

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