How accurate are lie detector tests?



  1. 0 Votes

    At least one test has shown about a 60% accuracy, which is only slightly better than chance. Some scientists say that up to 10% of people will show the physical signs of lying when they are telling the truth, so they are generally not considered trustworthy.

  2. 0 Votes

    Lie detector tests are fairly accurate so long as they are examined by experienced professionals. Some state accuracy levels are 87% while others would say their accuracy rate is 70%.

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