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Subjective ratings for each scale according to the group, and the completion time.
| Scale | |||||
|---|---|---|---|---|---|
| High/Low cognitive load | |||||
| Completion time | VASf | VASs | Samn-Perelli | NASA RTLX | NASA RTLX–Effort |
| Time 1 | 30.7/20.6 | 33.2/18.5 | 3.31/3 | ||
| Time 2 | 58.5/40.3 | 50.4/34.6 | 4.3/3.3 | 55/50 | 67.6/66.6 |
| Time 3 | 67.4/55.9 | 59.2/56 | 4.9/4.4 | 53.8/40.9 | 63.9/59.5 |
VASf/s, visual analog scale evaluating cognitive fatigue/sleepiness.
