Shane Parris - Decision By Design May 2026

A core practice of the course is keeping a Decision Journal to record expectations and rationale, which allows for objective feedback and calibration over time. Related Resources

If you are looking for specific written content that captures the essence of the course, these articles from Parrish's site are the most relevant:

is not a single article but a comprehensive 12-week online training program created by Shane Parrish , the founder of Farnam Street . Shane Parris - Decision By Design

Focusing on eliminating avoidable errors and "default" behaviours (ego, social conformity, and inertia) rather than just seeking brilliance.

Identifying the one critical factor that makes subsequent decisions easier or unnecessary. A core practice of the course is keeping

The curriculum focuses on practical skills rather than academic theory. Key modules and concepts include:

How to Make Smart Decisions Without Getting Lucky . Mental Models: The Best Way to Make Intelligent Decisions . Identifying the one critical factor that makes subsequent

Learning how to play on "Easy Mode" by setting yourself up for success before a decision even needs to be made.