Table 2.
Descriptive statistics of usability and feasibility questionnaires.
Questionnaire | Remote-guided (n=4) | Stand-alone (n=7) | All (N=11) | |||
|
Mean (SD) | Rangea | Mean (SD) | Range | Mean (SD) | Range |
System Usability Scale | 56.0 (5.8) | 14.0 | 60.1 (32.2) | 84.0 | 58.6 (25.2) | 84.0 |
Ease of use | 5.0 (1.7) | 4.3 | 5.6 (3.8) | 9.7 | 5.4 (3.1) | 9.7 |
Satisfaction | 5.1 (2.2) | 4.8 | 5.2 (3.7) | 9.7 | 5.2 (3.1) | 9.7 |
Ease of learning | 5.5 (3.2) | 7.0 | 6.1 (4.2) | 9.5 | 5.9 (3.7) | 9.5 |
aRepresents the spread; the difference between the maximum and minimum values.