What Does the Research Indicate About Polygraphs ("Lie Detector Machines")?​

question 162

Multiple Choice

What does the research indicate about polygraphs ("lie detector machines") ?​

• A)They are highly accurate at separating liars from honest people.
• B)​They are no more accurate than flipping a coin.
• C)​They are actually less accurate than flipping a coin.
• D)​They often classify innocent people as liars.

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