
Lie Detectors! (How Do They Work, How Accurate Are They, and Can They Be Beaten?)
Jimmy Akin's Mysterious World
00:00
Polygraph Test
There's a huge, enormous problem with the relevant irrelevant question strategy. People will not have the same physiological reactions to questions they know are irrelevant. A new technique known as the control question technique has been developed. Control questions are supposed to be more emotionally arged but still not questions about the case at hand. They're more charged than the irrelevant questions, but they're not themselves directly relevant to the case.
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