
Cognitive Biases Defined Simply
Cognitive biases are systematic thinking errors affecting everyone. Your brain uses mental shortcuts for speed, but these create predictable mistakes.
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Cognitive biases are systematic thinking errors affecting everyone. Your brain uses mental shortcuts for speed, but these create predictable mistakes.

Mental models are thinking frameworks that simplify reality for faster decisions. Examples: supply and demand, first principles, and leverage points.

Risk vs uncertainty: Risk has known probabilities, uncertainty doesn't. Heuristics are mental shortcuts, biases are systematic errors.

Intelligence solves problems fast; wisdom knows which problems matter. Knowledge is facts; understanding grasps relationships and meaning.

Key learning science terms: Spaced repetition reviews at intervals, retrieval practice tests to strengthen memory, and interleaving mixes topics.

Empathy feels with someone; sympathy feels for them. Introverts recharge alone; shy people fear judgment.

Metrics vs KPIs: Metrics measure anything; KPIs measure what matters for goals. Leading indicators predict future; lagging indicators show past...

A framework is a structured way to think about problems by providing categories, questions, or steps. Frameworks organize thinking, models predict outcomes.

API lets programs communicate. Cloud computing runs on remote servers. Algorithms are step-by-step instructions.

Systems thinking key terms: Feedback loops where output affects input, emergence where wholes behave differently than parts, and leverage points.

The Overton window explained: Joseph Overton's original concept, how the range of acceptable political ideas shifts, media's role, and the limits of the theory.

Opportunity cost is the value of the best alternative you give up. Decca Records turned down the Beatles to save on travel. Kodak invented the digital camera and didn't sell it. Why humans systematically ignore the most important cost in every decision.