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Your weekly dose of personality science

Weekly dispatches on personality science, in plain English — with the research to back it up.

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What's inside

There's more than one way to be an introvert

Introversion-Extraversion isn't just a single trait. It's a collection of many related traits, and everyone has a different blend.

What personality types get wrong

The most popular personality tests online aren't the most accurate. Here's what the research says about type-based vs. trait-based approaches, and why it matters.

How to spot a Barnum statement

The trick that keeps personality horoscopes in business — and how to notice it in assessment results.