Research Article
Enhanced Cognitive Walkthrough: Development of the Cognitive Walkthrough Method to Better Predict, Identify, and Present Usability Problems
Table 3
Examples of problem types.
| Problem type | Explication | Origin |
| User (U) | The problem is due to the user’s experience and knowledge, possibly because the user is accustomed to different equipment | Comes primarily from questions 1 and 3 |
| Hidden (H) | The interface gives no indications that the function is available or how it should be used | Comes primarily from question 2 |
| Text and icon (T) | Placement, appearance and content can easily be misinterpreted or not understood | Comes primarily from question 3 |
| Sequence (S) | Functions and operations have to be performed in an unnatural sequence | Comes primarily from question 1 |
| Physical demands (P) | The interface sets too high demands on users’ physical speed, motoric skill and force | Comes primarily from question 4 (operation level) |
| Feedback (F) | The interface gives unclear indications of what the user is doing or has done | Comes primarily from question 4 (function level) and question 5 |
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