Notes for books I used to read

Requirements gathering: Knowledge of user interface design

Notes taken from User Interface Design and Evaluation.

Autors: Debbie Stone, Caroline Jarrett, Mark Moodroffe, Shailey Minocha

Four Psychological Principles

1. Users see what they expect to see.
   • The principle of consistency: As users find it difficult to handle the unexpected.
   • The principle of exploiting prior knowledge.
2. Users have difficulty focusing on more than one activity at a time.
   • The principle of perceptual organization
   • The principle of importance
3. It is easier to perceive a structured layout.
   • The law of proximity
   • The law of similarity
   • The law of closure
   • The law of continuity
   • The law of symmetry
4. It is easier to recognize something than to recall it.
   • The principle of recognition

Three Principles from Experience: Visibility, affordance, and Feedback

The Principle of Visibility:

It Should Be Obvious What a Control Is Used For.

The Principle of Affordance:

It Should Be Obvious How a Control Is Used.

The Principle of Feedback:

It Should Be Obvious When a Control Has Been Used.