Table 15 NASA-TLX cognitive load assessment across six dimensions.
Dimension | Definition | AI-assisted group | Traditional group | Δ | p-value |
|---|---|---|---|---|---|
Mental demand | How mentally demanding was the task? | 42.3 ± 8.7 | 68.5 ± 11.2 | −26.2 | < 0.001 |
Physical demand | How physically demanding was the task? | 71.2 ± 6.5 | 73.8 ± 7.1 | −2.6 | 0.214 |
Temporal demand | How hurried or rushed was the pace? | 38.6 ± 9.3 | 52.4 ± 10.8 | −13.8 | < 0.001 |
Performance | How successful were you? | 78.4 ± 7.9 | 61.2 ± 12.3 | + 17.2 | < 0.001 |
Effort | How hard did you work? | 65.3 ± 8.1 | 74.9 ± 9.7 | −9.6 | < 0.01 |
Frustration | How frustrated were you? | 28.7 ± 10.2 | 48.3 ± 14.6 | −19.6 | < 0.001 |
