Dunning Kruger Effect
The Dunning-Kruger Effect is a cognitive bias meme where confidence-versus-competence graphs mock people who overestimate their expertise in a subject. Based on a 1999 Cornell study, it became a widespread reaction image throughout the 2010s, often deployed to call out overconfident posters on Twitter, Reddit, and Facebook.
Overview
The Dunning-Kruger Effect meme takes a cognitive bias from academic psychology and turns it into a visual shorthand for calling someone confidently wrong on the internet2. The image most people recognize is a curve plotting confidence on the y-axis against knowledge or competence on the x-axis, with a tall spike near the start labeled 'Mt. Stupid' or 'Peak of Mount Stupid,' a deep dip called 'Valley of Despair,' and a slow rise toward the 'Slope of Enlightenment'1.
The gag works because the graph looks scientific enough to feel like proof, so posters drop it as a wordless reply when someone in a comment thread confidently botches basic facts5. The underlying bias describes people with limited knowledge in a field who cannot spot their own errors, because the same skills needed to be right in that field are the ones needed to notice they've gone wrong2.
How It Spread
How to Use This Meme
The typical format takes the Mt. Stupid curve and swaps the y-axis labels for a specific topic like crypto, epidemiology, film theory, or foreign policy1. Creators often mark a red arrow at the peak with a screenshot, name, or username of whoever they're mocking, and sometimes add a second arrow near the Slope of Enlightenment for the people they treat as actual experts5. Text-only versions are common too, where users just reply 'peak Dunning-Kruger' or 'that's Mt. Stupid speaking' under a confident bad take6.
Frequently Asked Questions
References (6)
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