Table 2 Number of unique usability problems identified by the evaluators
From: Investigating usability of mobile health applications in Bangladesh
Heuristics | Severity | Total | % of Problems | Avg Severity | |||
|---|---|---|---|---|---|---|---|
Cosmetic | Minor | Major | Catastrophic | ||||
H1: Visibility of system status | 7 | 9 | 16 | 7 | 39 | 10 | 2.6 |
H2: User control and freedom in system navigation | 4 | 12 | 19 | 15 | 50 | 12 | 3.1 |
H3: Consistency and standards | 9 | 5 | 23 | 11 | 48 | 12 | 3.1 |
H4: Realistic error management | 9 | 13 | 7 | 4 | 33 | 8 | 2.6 |
H5: Minimize the user’s memory load | 3 | 7 | 14 | 5 | 29 | 7 | 2.7 |
H6: Customization and shortcuts | 2 | 5 | 7 | 4 | 18 | 4 | 2.7 |
H7: Aesthetic and minimalist design | 13 | 15 | 33 | 23 | 84 | 21 | 2.5 |
H8: Physical interaction and ergonomics | 5 | 11 | 4 | 3 | 23 | 6 | 2.4 |
H9: Minimize human-device interaction | 5 | 7 | 14 | 4 | 30 | 7 | 2.5 |
H10: Readability and Glanceability | 7 | 10 | 12 | 23 | 52 | 13 | 3 |
Total | 64 | 94 | 149 | 99 | 406 | 100 | 2.74 |