A talk with communication researcher Tim Levine about nonverbal behavior and deception detection. Tim's stance is that there's no evidence that nonverbal behavior is useful for detecting deception. He's the author of Duped: Truth-Default Theory and the Social Science of Lying and Deception. His work was featured in Malcom Gladwell's book Talking to Strangers.

Topics discussed include: what the research says about nonverbal behaviors; why it's so hard to get reliable indicators of deception; common nonverbal behavior myths and bullshit; why we expect others to tell us the truth; why we tend to tell the truth; Paul Ekman's work, including micro-expressions and "truth wizards"; reading behavior in interrogations; the differences between analyzing verbal content and nonverbal behavior; the TV show Lie to Me; poker tells; and more. 

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