Table 4.

Comparison between the means of mental workload in 6 dimensions analyzed for students (n=75).^a

Dimensions	Mean	95% Confidence interval
Mental demand	57.20b	52.07-62.35
Physical demand	29.27c	22.85-35.69
Temporal demand	37.67cd	32.11-43.22
Performance	58.47b	52.90-64.03
Effort	40.73d	35.38-46.09
Frustration	30.60c	24.20-37.00

^aEqual lowercase letters do not statistically differ according to the Bonferroni test.