Design and Performance Analysis of a Mecanum-Built Perturbation-Based Balance Training Device

Table 3

Examining interaction via multiple comparisons: a comparison of distance generated by various weights.

Load (kg)	Mean difference in distance (p-value)
	20	30	40	Task	Mean distance (cm)
20	—	0.259 (0.514)	0.732 (0.007)	9 cm straight	8.906
30	−0.259 (0.514)	—	0.473 (0.116)
40	−0.732 (0.007)	−0.473 (0.116)	—
20	—	0.774 (0.000)	1.254 (0.000)	9 cm diagonal	9.260
30	−0.775 (0.000)	—	0.479 (0.014)
40	−1.25 (0.000)	−0.479 (0.014)	—
20	—	0.895 (0.008)	1.702 (0.000)	18 cm straight	17.657
30	−0.895 (0.008)	—	0.807 (0.018)
40	−1.702 (0.000)	−0.807 (0.018)	—
20	—	0.341 (0.688)	1.380 (0.004)	18 cm diagonal	17.875
30	−0.341 (0.688)	—	1.038 (0.038)
40	−1.380 (0.004)	−1.038 (0.038)	—

The bold values indicate the statistically nonsignificant data, with a p-value > 0.5.