Research Article
Combinations of Methods for Collaborative Evaluation of the Usability of Interactive Software Systems
Table 1
Summary of the application of the CUEM in the iTV area.
| | CUEM | Number of evaluators | Number of users | Number of issues | Number of confirmed critical issues | Number of issues not detected in the heuristic evaluation |
| | Heuristic evaluation | 5 | Not applicable | 24 | 16 | Not applicable | | Cognitive walkthrough | 5 | Not applicable | 20 | 7 | 9 | | Formal experiments | 4 | 8 | 16 | 8 | 6 | | Questionnaires | 4 | 8 | 0 | 0 | 0 | | Constructive interaction | 4 | 12 | 25 | 16 | 5 | | Interviews | 4 | 12 | 12 | 5 | 4 | | Coaching method | 4 | 8 | 15 | 11 | 2 |
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