Listen to Support it, WNYC Studios.

How do you really get a handle on public opinion?

We know how to do accurate polls. Are we doing simple random sample surveys right now the way we know we can?

Almost nobody is. It's can, almost nobody is.

It's Thursday, October 10th.

Survey says, you're listening to Science Friday.

I'm Cy Fry producer Charles Berkquist. I don't need to tell you that we're under a month till the national elections,

especially if you live in a swing state. Today we talk about the psychology of voting.

What can motivate someone to go to the voting

booth? What themes resonate? And how much faith should you put in the constant barrage of

poll numbers from the press? Here's I reflido. Joining me now to talk about that is Dr. John Krasnick.

He's a professor of political science, communication, and psychology,

and director of the Political Psychology Research Group at Stanford University.

Welcome to Science Friday.

Thank you, Eric.

Great to be with you.

Okay, so as I say we're a month away.

We've had vice presidential debate this week, many polls showing a close race.

How malleable are people's opinions at this stage?

Well you might think that Americans at this point would know so much about Donald Trump,

having watched his presidency, having seen so much of him since his presidency,

that their views of him

...