Hi, we're here from Curiosity.com to help you get smarter in just a few minutes.

I'm Cody Gough.

And I'm Ashley Hamer.

Today you learn about why you make decisions using less information than you think,

why your appendix actually serves a purpose, and the best ways to overcome

a challenge, according to science.

Let's satisfy some curiosity.

A new study suggests that you make decisions on less information than you think.

Whether you're buying a house, getting married, or voting in an election,

the research says you assume you will use more information to make that decision

than you actually end up using. As reported by Futurity, a series of... make that into getting more information and they didn't realize that the extra info

wouldn't actually inform anyone's judgment. For example in one study

participants were asked to drink a half-ounce sample cup of a vegetable drink.

Some participants were asked to predict how many cups they would need to drink

before knowing if they actually liked the drink or not.

Others just kept drinking the cups till they decided.

And here, the participants thought they would need more sample cups than they actually did need before they came to a decision.

This was true whether they liked the drink or not. In another study,

MBA students wrote essays for a hypothetical management position.

They were told that a real hiring manager would read them,

and they should write the exact number of essays that the hiring manager would want to read,

or they wouldn't get the job.

...