Mental Models

Visual essays on ideas worth understanding.

Framework
The 5 Prerequisites for Improvement
A filtering funnel — each condition must hold. Based on Roy Rapoport's framework.
Principle
Chesterton's Fence
Before you change something, you must understand why it exists. A decision framework for responsible reform.
Framework
The Ladder of Autonomy
Seven levels from full direction to near-total independence. The right level depends on the task, not the title.