User-Centered Design: Principles and Practices
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10 Usability Heuristics for User Interface Design
- Visibility of system status: Inform users about what is going on through appropriate feedback within a reasonable time.
- Match between system and the real world: The system should speak the users' language, with words, phrases, and concepts familiar to the user, rather than system-oriented terms. Follow real-world conventions, making information appear in a natural and logical order.
- User control and freedom: Users often choose system functions by mistake and will need a clearly marked "emergency exit" to leave the unwanted state without having to go through an extended dialogue. Support undo and redo.
- Consistency and standards: Users should not have to wonder whether different words, situations,