Every lesson, five minutes each.
Six tracks covering what a product person has to be good at. Read them in any order; the daily rotation picks for you if you would rather not choose.
6 lessons
User Psychology
Cognitive Load and the Limits of Hick's Law
Why fewer options usually helps, and why the famous law does not prove it.
5 min read
User Psychology
Loss Aversion, Honestly
The finding is real but smaller than the folklore, and the ethics get sharp fast.
6 min read
User Psychology
The Peak-End Rule Meets Onboarding
People remember the best moment and the last one, but the evidence has narrow edges.
5 min read
User Psychology
Progress Bars and the Zeigarnik Problem
The famous unfinished-task effect is shaky; the endowed progress research is stronger.
5 min read
User Psychology
Social Proof, and the Boomerang
Telling people what most others do can move them toward the behaviour you want to stop.
6 min read
User Psychology
The Endowment Effect and What a Trial Should Feel Like
Ownership raises what people will accept, but only when they genuinely own something.
5 min read
