Table 2.

NASA-TLX scores.

NASA-TLX subscale	Scores (mean ± SD)
NASA Sc1 Mental Demand	55.26 ± 30.07
NASA Sc2 Physical Demand	18.68 ± 14.80
NASA Sc3 Temporal Demand	47.37 ± 25.95
NASA Sc4 Performance	45.26 ± 24.63
NASA Sc5 Effort	56.05 ± 21.25
NASA Sc6 Frustration	43.42 ± 22.92

The NASA-TLX subscale scores (Sc from 1 to 6) are expressed as the mean ± SD at the end of the switching task according to the assessed dimension.