How Do You Spot A Liar?

Short Wave

NPR

Daily News, Nature, Life Sciences, Astronomy, Science, News

4.7 • 6K Ratings

🗓️ 8 October 2024

⏱️ 15 minutes

🔗️ Recording | iTunes | RSS

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Summary

For over a century, we've been inventing technology to catch liars in the act. To this end, the polygraph was invented and became wildly popular in the mid-20th century. Then, there was an era of "micro-expression training," which claimed person could be caught lying through a skilled analysis of their face. Now, there's talk of using artificial intelligence to analyze the human voice.

But do any of these methods even work? And if not ... what are the risks? Emily and Gina investigates how deception research has changed and why it matters.

Check out our episode page, where Emily linked to the experts she talked to and the papers she discussed.

Got another human behavior you want us to investigate using science? Email us at [email protected] — we'd love to hear from you!

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Transcript

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0:00.0	You're listening to Shortwave from NPR.
0:05.0	Hey Short Waivers, it's Regina Barber.
0:06.8	And Emily Kwang.
0:07.8	Okay, so between the two of us, I feel like you love TV more.
0:12.0	Yes, that's absolutely true. It it was my first and for the longest time my only friend.
0:16.0	And now and now we're a friend so that's cool. Yeah now I have two.
0:20.0	Yeah, but I recently found myself going down a TV rabbit hole. It's technically a
0:27.2	reboot of a reality classic the mall.
0:30.6	Welcome to Malaysia.
0:32.8	Where players are working together as a team to carry out a series of missions, to surprise
0:37.6	money in a pot that only one of them can win.
0:40.9	So you chose the cash, right? I want to tell the cash.
0:43.0	Within their ranks is a mole.
0:45.0	Go, go, go, go, go, go.
0:48.0	Someone hired by the producers to sabotage the team.
0:51.0	Should the players trust me?
0:53.0	No.
0:56.1	So this is like the amazing race meets among us.
0:59.0	Yeah, but it's not on a spaceship.
1:00.6	This show is set in the real world.
1:03.0	That's cool.
1:05.0	I'm Ari Shapiro and I'm going to be your guide for this incredible adventure.
	...

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