Table 8.
Cognitive load evaluation based on NASA-TLX.
| Items | Mean | SD |
|---|---|---|
| Mental demand | 4.00 | 3.74 |
| Physical demand | 3.60 | 1.82 |
| Temporal demand | 1.80 | 0.84 |
| Performance | 8.80 | 0.84 |
| Effort | 2.20 | 1.30 |
| Frustration | 1.20 | 0.45 |
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