an article by Angela Fritz published in The Washington Post [via World of Psychology blog]
The Dunning-Kruger effect explains why unskilled people think they know it all and tend to be overconfident.
You may have witnessed this scene at work, while socializing with friends or over a holiday dinner with extended family: Someone who has very little knowledge in a subject claims to know a lot. That person might even boast about being an expert.
This phenomenon has a name: the Dunning-Kruger effect. It’s not a disease, syndrome or mental illness; it is present in everybody to some extent, and it’s been around as long as human cognition, though only recently has it been studied and documented in social psychology.
In their 1999 paper, published in the Journal of Personality and Social Psychology, David Dunning and Justin Kruger put data to what has been known by philosophers since Socrates, who supposedly said something along the lines of “the only true wisdom is knowing you know nothing.” Charles Darwin followed that up in 1871 with “ignorance more frequently begets confidence than does knowledge.”
Continue reading and be as blown away by the details as I was.
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