Table 3 Variance analysis of virtual avatar motion
From: Experiments and assessments of a 3-DOF haptic device for interactive operation
| Â | Sum of the squares | df | Mean square | F | Significance |
|---|---|---|---|---|---|
X+ (°) | |||||
 Inter-group | 199.247 | 2 | 99.624 | 4.004 | 0.030 |
 Intra-group | 671.833 | 27 | 24.883 |  |  |
 Sum | 871.080 | 29 |  |  |  |
X− (°) | |||||
 Inter-group | 250.083 | 2 | 125.041 | 2.350 | 0.115 |
 Intra-group | 1436.942 | 27 | 53.220 |  |  |
 Sum | 1687.025 | 29 |  |  |  |
Y+ (°) | |||||
 Inter-group | 124.523 | 2 | 62.261 | 2.013 | 0.153 |
 Intra-group | 835.071 | 27 | 30.929 |  |  |
 Sum | 959.593 | 29 |  |  |  |
Y− (°) | |||||
 Inter-group | 354.916 | 2 | 177.458 | 2.142 | 0.137 |
 Intra-group | 2236.635 | 27 | 82.838 |  |  |
 Sum | 2591.551 | 29 |  |  |  |
Z+ (°) | |||||
 Inter-group | 1412.462 | 2 | 706.231 | 4.761 | 0.017 |
 Intra-group | 4005.187 | 27 | 148.340 |  |  |
 Sum | 5417.648 | 29 |  |  |  |
Z− (°) | |||||
 Inter-group | 1083.262 | 2 | 541.631 | 1.721 | 0.198 |
 Intra-group | 8496.079 | 27 | 314.670 |  |  |
 Sum | 9579.341 | 29 |  |  |  |