Table 5.
The task burdens measured by the NASA Task Load Index.
| Task burden | Average out of 100 (SD) |
| Mental demand | 10.0 (7.4) |
| Physical demand | 1.8 (2.1) |
| Temporal demand | 20.4 (24.8) |
| Performance | 10.7 (11.3) |
| Effort | 4.5 (4.9) |
| Frustration | 1.6 (2.5) |
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