Table 5 Result of heuristic evaluation
From: Development of a serious game-based cognitive rehabilitation system for patients with brain injury
Number | Title of principal | Total questions | Number of problems reported | Percentage of problems reported | Average severity of problems |
|---|---|---|---|---|---|
 1 | Visibility of system status | 29 | 9 | 31.03 | 1.18 |
 2 | Match between the system and the real world | 24 | 4 | 16.67 | 1.60 |
 3 | User control and freedom | 23 | 9 | 39.13 | 2.00 |
 4 | Consistency and standards | 51 | 24 | 47.06 | 1.91 |
 5 | Help users Recognize, diagnose, and recover from errors | 21 | 9 | 42.86 | 2.63 |
 6 | Error prevention | 15 | 5 | 33.33 | 2.68 |
 7 | Recognition rather than recall | 40 | 17 | 42.50 | 2.04 |
 8 | Flexibility and minimalist design | 16 | 7 | 43.75 | 2.63 |
 9 | Aesthetic and minimalist design | 12 | 6 | 50.00 | 1.33 |
 10 | Help and documentation | 23 | 13 | 56.52 | 2.28 |
 11 | Skills | 21 | 8 | 38.10 | 1.88 |
 12 | Pleasurable and respectful interaction with the user | 14 | 2 | 14.29 | 1.50 |
 13 | Privacy | 3 | 3 | 100.00 | 3.23 |
Total | 292 | 116 | 39.73% | 2.07 | |