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Veritasium: The Most Dangerous Cognitive Bias

Overconfidence is our brain’s sneaky shortcut, tricking us into thinking we’re right far more often than we really are. This video unpacks why we fall for the Dunning-Kruger effect, how mental shortcuts can both help and hurt us, and even highlights high-stakes blunders like Nick Leeson’s rogue trading and the collapse of one of England’s oldest banks.

Along the way you’ll learn why a dash of confidence isn’t always bad, how honest feedback can keep you grounded, and get practical tips (plus a fun tabletop game) to help you spot and correct your own overconfidence.

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