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Table 4 Main effect of difficulty level on speed and correctness during rapid continuous movement

From: Dual-task motor performance with a tongue-operated assistive technology compared with hand operations

 

Hand

Tongue

Speed (count/s)

  

Level 1

5.53 ± 0.93

2.29 ± 0.65

Level 2

4.66 ± 0.48**

2.82 ± 0.80

Level 3

4.17 ± 1.17**,††

2.50 ± 0.51

Correctness (%)

  

Level 1

100.0 ± 0.0

97.2 ± 8.4

Level 2

95.7 ± 3.4**

80.5 ± 22.4**

Level 3

80.2 ± 15.1**,††

43.3 ± 26.0**,††

  1. Mean ± SD. *, P < 0.05 vs. Level 1, **, P < 0.01 vs. Level 1 and ††, P < 0.01 vs. Level 2.