Table 3.
Results of the image quality and manoeuvrability assessments scored on a 5-point likert scale along with between-group comparisons of NASA-TLX scores
| Score | 5 | 4 | 3 | |||
|---|---|---|---|---|---|---|
| Image quality | ||||||
| 6,3 Fr | 11 (73%) | 3 (20%) | 1 (7%) | |||
| 7,5 Fr | 10 (67%) | 4 (27%) | 1 (7%) | |||
| Manoeuvrability | ||||||
| 6,3 Fr | 9 (60%) | 4 (27%)* | 2 (13%) | |||
| 7,5 Fr | 11 (73%) | 1 (7%)* | 3 (20%) | |||
| NASA-TLX | Mental Demand | Physical Demand | Temporal Demand | Performance | Effort | Frustration |
| 6,3 Fr (mean) | 7.0 | 6.2 | 7.0 | 7.8 | 7.8 | 8.2 |
| 7,5 Fr (mean) | 7.2 | 7.2 | 7.8 | 7.0 | 7.2 | 7.6 |
| p value (t-test) | 0.845 | 0.154 | 0.861 | 0.500 | 0.721 | 0.798 |
An asterisk indicates a statistically significant difference