**Related:** [[Mental Models]] | [[Top 100 Mental Models]] An exercise in categorizing mental models into an [atomic design](https://atomicdesign.bradfrost.com/chapter-2/) structure. **ATOMS** - **General Thinking Concepts** - Occam's Razor - Hanlon's Razor - **Decision Making & Biases** - Confirmation Bias - Hindsight Bias - Anchoring Effect - Overconfidence Bias - Sunk Cost Fallacy - **Economics & Finance** - Supply and Demand - Marginal Utility - Opportunity Cost - Incentives - Scarcity - Optionality - **Systems & Models** - Feedback Loops - **Human Nature & Judgement** - Reciprocity - Commitment and Consistency - Social Proof - Authority - Liking/Loving Tendency - **Mathematics & Statistics** - Probability - Permutations and Combinations - Law of Large Numbers - **Psychology & Behavior** - Cognitive Dissonance - Halo Effect - Self-Serving Bias - Dunning-Kruger Effect - **Science & Engineering** - Scientific Method - Critical Mass - Thermodynamics **MOLECULES** - **General Thinking Concepts** - First Principles Thinking - **Systems & Models** - Network Effects - Scale Economies - **Mathematics & Statistics** - Regression to the Mean - Bayesian Updating - **Philosophy & Ethics** - Consider examining the core tenets of each philosophy and categorizing those individually. - **Science & Engineering** - Pareto Principle - **Strategy & Competition** - Competitive Advantage - **Learning & Education** - Growth Mindset - Bloom's Taxonomy - Deliberate Practice - The Feynman Technique - Spaced Repetition **ORGANISMS** - **General Thinking Concepts** - Circle of Competence - Thought Experiments - **Systems & Models** - Systems Thinking - Complex Adaptive Systems - **Philosophy & Ethics** - Stoicism - Utilitarianism - Kantian Ethics - Social Contract Theory - **Strategy & Competition** - Game Theory - SWOT Analysis - Five Forces Analysis - Blue Ocean Strategy - **Psychology & Behavior** - Maslow's Hierarchy of Needs - **Science and Engineering** - Leverage - 2nd law of thermodynamics