Every bad screen has a culprit
Learn UX laws, metrics and formulas by solving short detective cases. Each one takes about two minutes.
The cases
- The Vanishing Checkout: Orders fell overnight. Follow one hungry customer from opening the app to paying, and find every place they give up.
- The Money Mix-up: Support tickets are piling up. Follow one person paying their rent, and find each point where they get confused.
- The Stuck Setup: New teams sign up, then go quiet. Walk through setup with one new team, and help them reach the moment the product clicks.
- The Abandoned Cart: Shoppers fill their carts, then disappear. Follow one shopper to the last step, measure the leak, and find what drives them away.
- The Quiet Classroom: Learners join full of hope, then fade away. Spend a week with one learner, and find out what gets in their way.
- The Bad Review: Ratings are sliding, and the team keeps arguing. Bring evidence, not opinions, and settle it.
- The Trial Nobody Trusts: Free trials are flat and refund emails keep coming. Find out what people are afraid of, then prove the fix works.
- The Late Aha: Downloads are strong, but most people leave before they see why the app is good. Find the moment that matters.
- The Exit Door: Cancellations are climbing, and the team keeps trying to block the door. Find out what actually keeps people.
The study files
- Interaction laws: How people move, choose and wait.
- Memory and attention: What people can notice and hold in mind.
- Perception: How people see structure on a screen.
- Behavior: Why people act, continue and remember.
- Heuristics: Checklists for judging any design.
- Metrics: How to tell whether a design is working.
- Formulas: The math behind UX decisions, with calculators.