Table 2 Questionnaires on satisfaction with the tactile ERP-BCI based wheelchair control
Question | I do not agree at all [%] | I do not really agree [%] | I mostly agree [%] | I fully agree [%] |
|---|---|---|---|---|
Control of the wheelchair was quickly learnable | 0.0 | 0.0 | 71.4 | 28.6 |
The wheelchair correctly recognized the delivered commands | 0.0 | 14.3 | 71.4 | 14.3 |
I always had full control over the wheelchair | 14.3 | 0.0 | 71.4 | 14.3 |
Control of the wheelchair was too demanding | 50.0 | 21.4 | 28.6 | 0.0 |
Control of the wheelchair was too slow | 0.0 | 64.3 | 35.7 | 0.0 |