Table 4.

VAS fatigue and NASA-TLX scores (mean ± standard deviation).

Parameter	Size
	Small	Medium	Large
VAS fatigue	3.63 ± 2.5	2.63 ± 2.26	3.63 ± 2.83
Mental demand	36.88 ± 22.03	25 ± 17.73	28.13 ± 22.19
Physical demand	38.75 ± 26.42	24.38 ± 18.21	24.38 ± 23.21
Temporal demand	34.38 ± 16.13	16.25 ± 9.91	33.75 ± 19.78
Performance	35.63 ± 17	34.38 ± 18.21	25 ± 24.2
Effort	48.75 ± 24.46	29.38 ± 20.78	33.75 ± 31.93
Frustration	23.13 ± 23.75	18.13 ± 17.31	21.25 ± 30.79
Total workload	40.92 ± 15.28	29.63 ± 10.35	33.92 ± 18.7

Note: Factors with significant differences (p < 0.05) are presented in bold.