Table 4 Average questionnaire scores
From: Fatigue in children using motor imagery and P300 brain-computer interfaces
Questionnaire | Mean | Median | Range | 95% Confidence Interval |
|---|---|---|---|---|
Motivation Scale (possible range = 0–50) | ||||
MI | 29.3 | 29.5 | 13 | 28.4–30.3 |
P300 | 28.4 | 29.0 | 20 | 27.4–29.4 |
Video | 30.3 | 31.0 | 13 | 29.2–31.3 |
NASA – Task Load Index (possible range = 0–120) | ||||
MI | 41.4 | 43 | 71 | 36.4–46.4 |
P300 | 35.8 | 31 | 59 | 31.6–40.0 |
Video | 22.2 | 20 | 57 | 18.6–25.8 |
BCI Tolerability Scale (possible range = 0–30) | ||||
MI | 19.2 | 20 | 11 | 18.4–19.9 |
P300 | 18.4 | 19 | 14 | 17.7–19.2 |