Table 4 Results from the Custom Usability Questionnaire
Item no. | Item | Score P11*–15* Mean (SD) | P11* | P12* | P13* | P14* | P15* |
|---|---|---|---|---|---|---|---|
Q11 | With the RHO, performing the tasks is easier. | 3.4 (1.4) | 5 | 3 | 1 | 4 | 4 |
Q12 | The RHO helps me to perform tasks quicker. | 3.4 (1.4) | 5 | 4 | 1 | 3 | 4 |
Q13 | The RHO gives me more control of my hand activity. | 3.6 (1.4) | 5 | 4 | 1 | 4 | 4 |
Q14 | The RHO is easy to don and doff. | 2.4 (0.8) | 3 | 3 | 1 | 2 | 3 |
Q15 | The RHO generates sufficient force while closing. | 3.0 (0.6) | 3 | 2 | 3 | 4 | 3 |
Q16 | The RHO generates sufficient force while opening. | 3.6 (0.5) | 3 | 4 | 3 | 4 | 4 |
Q17 | The RHO opens and closes quick enough. | 4.2 (0.7) | 5 | 3 | 4 | 5 | 4 |
Q18 | The RHO is lightweight enough. | 4.4 (0.5) | 5 | 4 | 4 | 5 | 4 |
Q19 | The RHO is well and firmly attached to the hand. | 3.4 (1.0) | 3 | 2 | 3 | 5 | 4 |
Q20 | The movement generated by the RHO is pleasant. | 4.0 (0.6) | 4 | 4 | 3 | 5 | 2 |
Total score \(CUQ_{total}\) | 63.5 (16.0) | 77.5 | 57.5 | 35.0 | 77.5 | 70 |