laws-of-ux
Installation
SKILL.md
When to Use
- Designing new features or flows
- Reviewing UI/UX for improvements
- Justifying design decisions to stakeholders
- Optimizing existing interfaces
Core Laws
Interaction & Time
| Law | Principle | Flutter Application |
|---|---|---|
| Fitts's Law | Time to target = f(distance, size) | Large touch targets (48dp+), important actions within thumb reach |
| Hick's Law | Decision time ↑ with more choices | Limit options, use progressive disclosure |
| Doherty Threshold | Response < 400ms keeps flow | Show loading states, optimistic UI updates |
Memory & Cognition
Related skills