Table 3: Questionnaire and averaged ratings over the whole group (N = 16). Ratings ranged between 1 (most negative response) and 10 (most positive response).

QuestionsAveraged ratings ± SD

Q1. How well did you control the machine?5.8 ± 1.9
Q2. Did the machine perform well?6.6 ± 1.8
Q3. Was the task difficult?4.6 ± 2.5
Q4. Was the task tiring?5.9 ± 2.3
Q5. Was the task motivating?7.9 ± 1.4
Q6. Could you predict errors?4.9 ± 3.1
Q7. How much did errors upset you?7.3 ± 2.2
Q8. Was the automatic error correction useful?5.0 ± 2.8