cognitive walk through:
Main Principles in evaluation of Software Interface:
Evaluation criteria also includes:
End User Needs:
Ease of use:
Compatibility with existing data:
Compatibility with existing hardware:
Goals and results of evaluation
1. “Which one is better?”
2. “How good is it?”
3. “Why is it bad?”
Key Points Related software Interface:
- User interfaces should be designed to match the skills, experience and expectations of its anticipated users.
- System users often judge a system by its interface rather than its functionality.
- A poorly designed interface can cause a user to make catastrophic errors.
- Poor user interface design is the reason why so many software systems are never used.
Limited short-term memory
- People can instantaneously remember about 7 items of information. If you present more than this, they are more liable to make mistakes.
People make mistakes
- When people make mistakes and systems go wrong, inappropriate alarms and messages can increase stress and hence the likelihood of more mistakes.
People are different
- People have a wide range of physical capabilities.
- Designers should not just design for their own capabilities.
People have different interaction preferences
- Some like pictures, some like text.