Table 4 Perceived usefulness and the ease of use of BCI (Q1-Q4) and attitudes towards using novel technology, Q5-Q7
Question | Range | Mean ± STD (median) |
|---|---|---|
Q1. In your opinion, how easy is it to understand the main purpose of the EEG-tablet system? | 1 very easy 10 very hard | 2.3 ± 1.4 (2) |
Q2. Please rate how much you agree with the statement: I would like to have this device but I am not sure if my caregiver and I would understand how to use it | 1 very false 10 very true | 1.6 ± 1.4 (1) |
Q3. Please rate how much you feel convinced that the device might help reducing your pain. | 1 not at all 10 very much | 8.9 ± 1.3 (9.5) |
Q4. How easy do you feel that it is to use this device on a daily basis? | 1 very hard 10 very easy | 7.8 ± 2.1 (8) |
Q5. Please rate how you would feel if other people saw you wearing the device at home | 1embarrassed 10 amused | 8.9 ± 1.3 (9.5) |
Q6. Please rate how you would feel if other people knew that you were using the device at home | 1 embarrassed 10 amused | 8.5 ± 1.9 (8) |
Q7. Please rate your attitude towards using novel technology (e.g. computers, phones, other gadgets) | 1 avoidance 10 excitement | 7.7 ± 1.5 (8) |