Spaced Repetition: S-Tier Behavioral Designer’s Guide
Short answer: Spaced repetition means reviewing material at increasing intervals, timing each review for the moment you are…
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The Blog
Ideas on motivation, behavior & design.
Deep dives on the psychology behind why people do what they do — from Yu-kai Chou, creator of the Octalysis Framework. Pick the topic that matters to you.
10,000 Hours of Play by OP Hero: Louis Pasteur
Louis Pasteur ran his life like a 50-year game against the invisible world of microbes. Here's his OP…
Serial Position Effect: S-Tier Behavioral Designer’s Guide
Short answer: The serial position effect is our tendency to remember the first and last items of a…
Cognitive Load Theory: S-Tier Behavioral Designer’s Guide
Short answer: Cognitive load theory says working memory can only hold a few new items at once while…
Emotion Regulation: S-Tier Behavioral Designer’s Guide
Two people get the same brutal piece of feedback in the same meeting. One walks out shaken, replays…
10,000 Hours of Play by OP Hero: Jesse Owens
Jesse Owens set three world records on an injured back, then won four golds in Hitler's Berlin. His…
Nationcraft Analysis: Peru Carousel Trap 2026
Peru's 18-variable Nationcraft profile on the eve of the June 7 runoff: why eight presidents in ten years…