Table 2.
Results of the System Usability Scale for all participants (N=120) and the System Usability Scale score contribution of individual items.
| System Usability Scale analysis item | Value per 5-point Likert scale response, n (%) | Score contribution (1-5), mean (SD) | |||||
|
|
1 (strongly disagree) | 2 (disagree) | 3 (neutral) | 4 (agree) | 5 (strongly agree) |
|
|
| 1. I think I would like to use this system, if I am admitted again. | 0 (0) | 0 (0) | 7 (5.8) | 42 (35) | 71 (59.2) | 4.53 (SD 0.61) | |
| 2. I found the system unnecessarily complex. | 61 (50.8) |
41 (34.2) |
11 (9.2) | 5 (4.2) | 2 (1.7) | 1.72 (SD 0.92) | |
| 3. I thought the system was easy to use. | 1 (0.8) |
1 (0.8) |
8 (6.7) | 39 (32.5) | 71 (59.2) | 4.48 (SD 0.73) | |
| 4. I think that I would need help from the staff to be able to use this system. | 49 (40.8) | 44 (36.7) | 11 (9.2) | 11 (9.2) | 5 (4.2) |
1.99 (SD 1.12) | |
| 5. I found the various functions in the system to be well correlated. | 1 (0.8) | 1 (0.8) | 8 (6.7) | 65 (54.2) | 45 (37.5) | 4.27 (SD 0.69) | |
| 6. I thought there was too much inconsistency in this system. | 56 (46.7) |
52 (43.3) | 8 (6.7) | 1 (0.8) | 3 (2.5) | 1.69 (SD 0.84) | |
| 7. I would imagine that most people would learn to use this system very quickly. | 0 (0) | 0 (0) | 15 (12.5) | 53 (44.2) | 52 (43.3) | 4.31 (SD 0.68) | |
| 8. I found the system very cumbersome to use. | 70 (58.3) | 42 (35) | 5 (4.2) | 2 (1.7) | 1 (0.8) | 1.52 (SD 0.73) | |
| 9. I felt very confident using the system. | 2 (1.7) | 6 (5) | 4 (3.3) | 47 (39.2) | 61 (50.8) | 4.33 (SD 0.89) | |
| 10. I needed to learn a lot things before I could get going with this system. | 67 (55.8) | 42 (35) | 7 (5.8) | 4 (3.3) | 0 (0) | 1.57 (SD 0.75) | |