A thread you can test
Four Handles for Spotting Good Interaction
4 notes move from the word to a real choice at work — understand it first, then decide whether to use it.
Each note stands alone, or becomes the next step in this thread.
THE QUESTION THIS PAGE ANSWERS
ANSWER FIRSTWhat is Four Handles for Spotting Good Interaction, and which AI decisions does it change?
The three abnormal moments in a UI are exactly where experience splits. Empty states should teach the next step; loading should report progress; errors should speak plain language and offer a way out. Pick winners in three A/B duels yourself This page keeps the related concepts, common mistakes, and practical notes in one reading thread.
First decide whether you are blocked by a definition, a choice, or verification; then choose the closest of the 4 notes below.
Start with “The Three States: Loading, Empty, Error,” then restate the conclusion using your own task.
Do not treat every method in a topic as interchangeable. The answer changes with the input, risk, and acceptance bar.
THIS QUESTION THREAD
Put the word back inside the choice it changes.
The Three States: Loading, Empty, Error
The three abnormal moments in a UI are exactly where experience splits. Empty states should teach the next step; loading should report progress; errors should speak plain language and offer a way out. Pick winners in three A/B duels yourself
Error Prevention & Reversibility: So Users Aren't Afraid to Click
Stop errors before they happen rather than report them after; undo makes exploration safe; confirm dialogs are the weakest error prevention. Redesign three dangerous buttons yourself
Flow Restraint: Every Extra Step Drops Another Batch
Actions that don't directly serve the goal are excise. Trim a five-step signup to two, step by step, and watch who stays in the funnel
Conventions: Don't Let AI Invent New Interactions
Users operate software through conventions — learn once, use everywhere. Spot which control is faking innovation, and which thing that looks like a button isn't one