mental models

The Dunning-Kruger Effect: Why Stupid People Think They’re Smart

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overconfidence is a sign of dunning kruger effect

You’ve met them. The new employee who’s been at the company for three weeks and already thinks they should be running it. The relative who watched two YouTube videos and now lectures doctors about medicine. The friend who lost money trading once and now speaks about markets like Warren Buffett’s mentor. And then there’s the … Read more

10 Cognitive Biases That Are Secretly Controlling Your Decisions

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cognitive biases

Here’s something uncomfortable to think about: most of the decisions you made today weren’t really yours. I know that sounds dramatic, but stick with me. After more than a decade studying human psychology and decision-making, I’ve come to one unsettling conclusion — our brains are running ancient software in a modern world. And that software … Read more