Happy Black Friday. We've got three can't miss deals on stories from

Curiosity.com to help it get smarter in just a few minutes. I'm Cody goth.

And I'm Ashley Hamer. Today you'll never believe how people value an item differently if they put it together themselves.

We'll also alleviate some shopping season anxiety by telling you why you might not be as hard to shop for as you think you are and three types of

perfectionism that might be ruining your life. You'll never believe these deals

we've got on door busting some curiosity. Shopping for gifts can be hard.

Sometimes it seems like the better you know someone,

the harder it is to decide what to get them.

Well, if you're stuck, take some advice from psychology.

People value an item more if they put it together themselves.

What's the last thing you put together?

Probably something from Ikea.

Something from Ikea, you say.

Interesting, there could be something to that.

In 2012, a variety of researchers teamed up to study what they call the IKEA effect.

That's the idea that people value something more when they put it together themselves.

For the study, they asked college students how much they would pay for a black Ikea storage box.

Half of the students actually had to put it together,

while the other half just got a fully assembled box and were asked to inspect it.

Those who built the box were willing to spend more than those who got the box already

assembled, as in 63% more.

But it gets better.

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