One of the key success factors for any application or system is the way it was designed, and how easy for common users to understand how to use and interact with it and execute simple operations or tasks without prior training or manuals.
In this article, I will discuss seven key design principles introduced in Don Norman’s Design of Everyday Things. These design principles will help us design better for humans and to evaluate or critique any application design easily. The seven design principles are:
- Conceptual Models
- Gulf of Execution
- Gulf of Evaluation
- Visibility
- Feedback
- Mappings
- Constraints