Heuristics
Mental shortcuts — fast, often right, occasionally catastrophic.
Heuristics aren't bugs — they're features that misfire. They let you decide in milliseconds when a careful answer would take hours. The job here is knowing the contexts where the shortcut breaks and a slower path is worth the cost.
The other 7 types of glitch.
Systematic errors in judgment, baked into how the brain weighs evidence.
How memory rewrites itself — distortions, false confidence, fading detail.
What other people's presence, opinions, and signals do to your thinking.
Patterns that hijack a clean decision into a costly one.
Glitches in how you think about your own thinking.
Where the eyes (or attention) lie before the brain even gets a vote.
Argument moves that look like reasoning but skip a step.
Train against all 231 of them.
The reference is free. Buyers unlock the interactive training — Spot-the-Bias Quiz unlimited, Swipe Deck with spaced repetition, My Blindspots, Decision Pre-Flight, the Field Guide e-book, Cheat Sheets, and the Printable Deck. $29.50$59.