How can groups make good decisions? | Mariano Sigman and Dan Ariely
TED Talks Daily6 Des 2017

How can groups make good decisions? | Mariano Sigman and Dan Ariely

We all know that when we make decisions in groups, they don't always go right -- and sometimes they go very wrong. How can groups make good decisions? With his colleague Dan Ariely, neuroscientist Mariano Sigman has been inquiring into how we interact to reach decisions by performing experiments with live crowds around the world. In this fun, fact-filled explainer, he shares some intriguing results -- as well as some implications for how it might impact our political system. In a time when people seem to be more polarized than ever, Sigman says, better understanding how groups interact and reach conclusions might spark interesting new ways to construct a healthier democracy.


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Episoder(2559)

3 ways to spot a bad statistic | Mona Chalabi

3 ways to spot a bad statistic | Mona Chalabi

Sometimes it's hard to know what statistics are worthy of trust. But we shouldn't count out stats altogether ... instead, we should learn to look behind them. In this delightful, hilarious talk, data journalist Mona Chalabi shares handy tips to help question, interpret and truly understand what the numbers are saying. Hosted on Acast. See acast.com/privacy for more information.

24 Mar 201711min

Inside America's dead shopping malls | Dan Bell

Inside America's dead shopping malls | Dan Bell

What happens when a mall falls into ruin? Filmmaker Dan Bell guides us through abandoned monoliths of merchandise, providing a surprisingly funny and lyrical commentary on consumerism, youth culture and the inspiration we can find in decay. Hosted on Acast. See acast.com/privacy for more information.

17 Mar 201711min

"Turceasca" |  Silk Road Ensemble

"Turceasca" | Silk Road Ensemble

Grammy-winning Silk Road Ensemble display their eclectic convergence of violin, clarinet, bass, drums and more in this energetic rendition of the traditional Roma tune, "Turceasca." Hosted on Acast. See acast.com/privacy for more information.

17 Mar 20176min

Adventures of an asteroid hunter | Carrie Nugent

Adventures of an asteroid hunter | Carrie Nugent

TED Fellow Carrie Nugent is an asteroid hunter -- part of a group of scientists working to discover and catalog our oldest and most numerous cosmic neighbors. Why keep an eye out for asteroids? In this short, fact-filled talk, Nugent explains how their awesome impacts have shaped our planet, and how finding them at the right time could mean nothing less than saving life on Earth. Hosted on Acast. See acast.com/privacy for more information.

14 Mar 20176min

How I'm fighting bias in algorithms | Joy Buolamwini

How I'm fighting bias in algorithms | Joy Buolamwini

MIT grad student Joy Buolamwini was working with facial analysis software when she noticed a problem: the software didn't detect her face -- because the people who coded the algorithm hadn't taught it to identify a broad range of skin tones and facial structures. Now she's on a mission to fight bias in machine learning, a phenomenon she calls the "coded gaze." It's an eye-opening talk about the need for accountability in coding ... as algorithms take over more and more aspects of our lives. Hosted on Acast. See acast.com/privacy for more information.

9 Mar 20178min

A scientific approach to the paranormal | Carrie Poppy

A scientific approach to the paranormal | Carrie Poppy

What's haunting Carrie Poppy? Is it ghosts or something worse? In this talk, the investigative journalist narrates her encounter with a spooky feeling you'll want to warn your friends about and explains why we need science to deal with paranormal activity. Hosted on Acast. See acast.com/privacy for more information.

3 Mar 201713min

"Rollercoaster" | Sara Ramirez

"Rollercoaster" | Sara Ramirez

Singer, songwriter and actress Sara Ramirez is a woman of many talents. Joined by Michael Pemberton on guitar, Ramirez sings of opportunity, wisdom and the highs and lows of life in this live performance of her song, "Rollercoaster." Hosted on Acast. See acast.com/privacy for more information.

3 Mar 20175min

Smelfies, and other experiments in synthetic biology | Ani Liu

Smelfies, and other experiments in synthetic biology | Ani Liu

What if you could take a smell selfie, a smelfie? What if you had a lipstick that caused plants to grow where you kiss? Ani Liu explores the intersection of technology and sensory perception, and her work is wedged somewhere between science, design and art. In this swift, smart talk, she shares dreams, wonderings and experiments, asking: What happens when science fiction becomes science fact? Hosted on Acast. See acast.com/privacy for more information.

27 Feb 20177min

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