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Table 4 Change in Mental Load as assessed by NASA Task Load Index (NASA-TLX) among the three incrementally challenging circuits in Real (R) and Virtual (VR) conditions

From: Evaluation of power wheelchair driving performance in simulator compared to driving in real-life situations: the SIMADAPT (simulator ADAPT) project—a pilot study

 

Circuits

p values

C1 Median (Mean)

C2 Median (Mean)

C3 Median (Mean)

C1 vs C2

C1 vs C3

C2 vs C3

R

5.00 (7.18)

6.67 (9.38)

10.00 (12.19)

0.44

0.05

0.27

VR

18.33 (21.03)

15.00 (17.81)

19.17 (19.60)

0.39

0.76

0.61