Table 3 Mean scores of mental workload, task performance and other variables (n = 145)
Variables | Minimum | Maximum | Mean | SD |
|---|---|---|---|---|
Mental workload | 6.67 | 80.83 | 44.57 | 14.08 |
Task performance | 0.00 | 16.00 | 1.09 | 1.31 |
Task difficulty | 11.00 | 48.00 | 33.30 | 6.27 |
System usability | 20.00 | 90.00 | 56.94 | 13.71 |
Professional competency | 18.00 | 72.00 | 53.92 | 10.94 |
Self-efficacy | 19.00 | 40.00 | 29.92 | 5.45 |
Positive affect | 10.00 | 50.00 | 27.10 | 7.31 |
Negative affect | 10.00 | 28.00 | 15.65 | 3.81 |