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User Characteristics: Evaluation
Who uses the GUI and how ?
Many independent characteristics -> Multidimensional space of users.
- Frequency, interval and duration of usage
- Experience of user with comparable GUIs
- Knowledge about the task
- Motivation and aims
- Reasons to use this GUI: Fun and/or function
- Physical of mental Restrictions, e.g., language
- Environment
- Culture
Classes are build from subspaces of the matrix.