Hick’s Law
- Principle: The more choices you present, the longer it takes for users to make a decision.
- Application: Limit choices and break complex tasks into smaller steps (e.g., multi-step forms).
Fitts’s Law
- Principle: The time to reach a target depends on its size and distance.
- Application: Make buttons large and place frequently used elements within easy reach, especially on mobile.
Jakob’s Law
- Principle: Users prefer interfaces that work like those they’re already familiar with.
- Application: Stick to established UI patterns (e.g., cart icon in top-right corner on e-commerce sites).
Miller’s Law
- Principle: People can hold 7 (±2) items in their working memory.
- Application: Chunk information and avoid overwhelming users with too many details at once.
Law of Proximity
- Principle: Objects close to each other are perceived as related.
- Application: Group related elements together (e.g., form labels with input fields).
Aesthetic-Usability Effect
- Principle: Users perceive visually appealing designs as more usable.
- Application: Prioritize both aesthetics and functionality to improve user satisfaction.
