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Why should you care about mental models?
A mental model is a representation of an external reality inside your head—a kind of cognitive map. The purpose of mental models is to gain and understand knowledge about the world through key multidisciplinary concepts. The closer you get your cognitive process (the way your brain approaches a problem) to reality, the better the decisions you’ll make in life.

Below are some of the featured mental models. Use dropdown to see all posts.

Circle of Competency

Business

Describes a person’s competency in an area that matches their skills and abilities.

Regression to the Mean

Statistics

What goes up must come down and what goes down must come up. Periods of above averages are followed by below averages.

Correlation and Causation

Statistics

Two things happening at the same time is correlation while one causing the other to change is causation.

Reason Respecting Tendency

Psychology

Asking questions can help us reason more and gain better understanding of things around us.

Tradeoff

Economics

A giving up of one thing in return for another. The goal is to find the tradeoff which will produce the most desirable outcomes.

Leverage

Physics

By using a lever, you can amplify the input force. Think of a see-saw.

Tragedy of the Commons

Economics

When a set of individuals act in their own self-interest by depleting common resources.

Prisoner's Dilemma

Economics

Prisoner's dilemma helps us understand how people behave when it comes to cooperation or self-interests.

Power Laws

Mathematics

Power law is one form of Pareto's principle where the proportion of 80/20 shifts to 99/1.

Margin of Safety

Engineering

Describes the capacity of a system to carry load beyond its actual capability.