The Dunning-Kruger Effect: The Paradox of Our Own Ignorance

Mark Manson
9 min readJun 14, 2021

T he English philosopher Bertrand Russell once said, “The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.”

Perhaps what’s even more amazing is that he said this long before the advent of the internet.

Today, due to the joys of social media, we are regularly exposed to legions of people who believe they know what the fuck they are talking about when they do not. And, indeed, as Russell pointed out, the more clueless these people are, the more confident in their pronouncements they seem to be.

It turns out that Russell’s axiom has been studied and the data back it up. People who are bad at something do believe they are good at it, and people who are good at it do believe they are bad at it. Amateurs are overconfident and experts are underconfident. Newbies believe they’ve got it all figured out and the weathered veterans understand that nothing is really known for sure.

In psychology, this is known as the “Dunning-Kruger Effect.” It’s a psychological tendency named after the two researchers who initially measured it. And it’s surprising how wide its applications are in our lives.

The Dunning-Kruger Effect: Ignorance of Ignorance

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Mark Manson
Mark Manson

Written by Mark Manson

Author of #1 NYTimes Bestseller ‘The Subtle Art of Not Giving a Fuck’. OG Blogger. Psychology Nerd. I enjoy cats and whiskey. But not at the same time.

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