Mental Models

Mental models are frameworks for thinking that help you understand the world and make better decisions. Explore our collection of mental models to expand your thinking toolkit.

Problem Solving

Occam's Razor

The simplest explanation is usually the correct one.

Cognitive Bias

Confirmation Bias

The tendency to search for, interpret, favor, and recall information in a way that confirms one's preexisting beliefs or hypotheses.

Productivity

Pareto Principle

For many events, roughly 80% of the effects come from 20% of the causes.

Problem Solving

First Principles Thinking

Breaking down complex problems into their most basic, foundational elements.

Cognitive Bias

Availability Heuristic

The tendency to overestimate the likelihood of events with greater 'availability' in memory.

Human Behavior

Hanlon's Razor

Never attribute to malice that which is adequately explained by stupidity.

Problem Solving

Inversion

Approaching a problem backwards by focusing on avoiding what you don't want.

Decision Making

Second-Order Thinking

Considering the long-term consequences of decisions beyond immediate outcomes.

Decision Making

Circle of Competence

Identifying and operating within one's area of expertise.

Economics

Opportunity Cost

The loss of potential gain from other alternatives when one alternative is chosen.

Cognitive Bias

Anchoring

The tendency to rely too heavily on the first piece of information offered when making decisions.

Decision Making

Sunk Cost Fallacy

The tendency to continue investing in something because of past investments, despite new evidence suggesting it's no longer the best course of action.

Systems Thinking

Feedback Loops

A system where the output affects the input, creating a cycle of cause and effect.

Risk Management

Margin of Safety

The gap between the intrinsic value of something and the price paid or resources allocated.

Finance

Compound Interest

The addition of interest to the principal sum of a loan or deposit, resulting in interest on interest.

Cognitive Bias

Survivorship Bias

The logical error of concentrating on people or things that 'survived' a process and inadvertently overlooking those that did not.

Physics

Entropy

The tendency of systems to move from order to disorder over time without the input of energy.

Strategy

Game Theory

The study of strategic decision-making in competitive situations.

Business Strategy

Network Effects

The phenomenon whereby a product or service becomes more valuable as more people use it.