DiscoverLessWrong (30+ Karma)“You’re probably overestimating how well you understand Dunning-Kruger” by abstractapplic
“You’re probably overestimating how well you understand Dunning-Kruger” by abstractapplic

“You’re probably overestimating how well you understand Dunning-Kruger” by abstractapplic

Update: 2025-09-29
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Description

I

The popular conception of Dunning-Kruger is something along the lines of “some people are too dumb to know they’re dumb, and end up thinking they’re smarter than smart people”. This version is popularized in endless articles and videos, as well as in graphs like the one below.

Usually I'd credit the creator of this graph but it seems rude to do that when I'm ragging on them

Except that's wrong.

II

The canonical Dunning-Kruger graph looks like this:

Notice that all the dots are in the right order: being bad at something doesn’t make you think you’re good at it, and at worst damages your ability to notice exactly how incompetent you are. The actual findings of professors Dunning and Kruger are more consistent with “people are biased to think they’re moderately above-average, and update away from that bias based on their competence or lack thereof, but they don’t [...]

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Outline:

(00:12 ) I

(00:39 ) II

(01:32 ) III

(04:22 ) IV

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First published:

September 29th, 2025



Source:

https://www.lesswrong.com/posts/Di9muNKLA33swbHBa/you-re-probably-overestimating-how-well-you-understand


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Narrated by TYPE III AUDIO.


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Images from the article:

Usually I'd credit the creator of this graph but it seems rude to do that when I'm ragging on them
An actual graph from one of Dunning's papers, for comparison.
That graph again, for reference
Wow, people who get unlucky guessing coinflips are super overconfident, aren’t they?
Line graph titled
Graph showing Dunning-Kruger Effect comparing self-predicted versus actual performance scores.  The graph illustrates how people's self-assessment of their performance (blue line) differs from their actual performance (orange line) across different skill levels, with a notably humbler trend than the classic Dunning-Kruger curve.

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“You’re probably overestimating how well you understand Dunning-Kruger” by abstractapplic

“You’re probably overestimating how well you understand Dunning-Kruger” by abstractapplic