Table 3.
Weighted dimensions of the National Aeronautics and Space Administration-Task Load Index (NASA-TLX).
User | Mental demand | Physical demand | Temporal demand | Performance | Effort | Frustration |
User 1 | 2 | 0 | 1 | 4 | 3 | 5 |
User 2 | 3 | 1 | 4 | 5 | 2 | 0 |
User 3 | 2 | 0 | 4 | 4 | 1 | 4 |
User 4 | 4 | 0 | 1 | 2 | 3 | 5 |
User 5 | 5 | 1 | 2 | 4 | 3 | 0 |
User 6 | 4 | 1 | 4 | 0 | 2 | 4 |
User 7 | 4 | 1 | 1 | 1 | 3 | 5 |
User 8 | 2 | 0 | 5 | 3 | 2 | 3 |
Mean | 3.25 | 0.5 | 2.75 | 2.875 | 2.375 | 3.25 |