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106 Cognitive Biases and Principles That Affect Your UX

Growth.Design Freemium Beginner

A searchable library of the biases and principles behind user behavior, each with a short example. It goes wider than the core laws into things like anchoring and the peak end rule that shape conversion. Keep it open as a checklist when you are refining a signup or pricing flow.

  • Over 100 principles, each with a concrete UI example
  • Filterable, so you can pull the few relevant to a screen
  • Bridges pure UX laws and growth and conversion decisions
Open on growth.design ↗

The question it answers

  1. What are the psychology 'laws' behind good UX?

Read with it

  1. The most accessible, practical intro to usability ever written, you can read it in a weekend and immediately fix your product.... sensible.com Book · ~200 pages Don't Make Me Think, Revisited Steve Krug
  2. The foundational text on human-centered design that every product person should read once. It rewires how you see every... jnd.org / Basic Books Book · ~350 pages The Design of Everyday Things Don Norman
  3. A crisp, visual reference of the psychology principles behind good UX, perfect for a founder who wants the 'why' without a... lawsofux.com Article · reference site Laws of UX Jon Yablonski
  4. This is the one principle that answers your worry head on: users spend most of their time on other apps, so they expect yours... Laws of UX Essay · 5 min read Jakob's Law Jon Yablonski (principle by Jakob Nielsen)
  5. A two minute explanation of one of the most practical rules for founders: users spend nearly all their time on other apps, so... Nielsen Norman Group Video · 2 min Jakob's Law of Internet User Experience (video) Jakob Nielsen
  6. Users judge attractive products as more usable, which is why polish matters and also why it can hide real problems. As a... Nielsen Norman Group Article · 8 min read The Aesthetic-Usability Effect Kate Moran
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