From: Experiments and assessments of a 3-DOF haptic device for interactive operation
 | X+ (°) | X− (°) | Y+ (°) | Y− (°) | Z+ (°) | Z− (°) | ||
---|---|---|---|---|---|---|---|---|
Spearman rank correlation coefficient | Arm length (cm) | Correlation coefficient | 0.638 | −0.413 | 0.675 | −0.122 | 0.626 | 0.371 |
Sig.(double sides) | 0.047 | 0.235 | 0.032 | 0.783 | 0.053 | 0.291 | ||
N | 10 | 10 | 10 | 10 | 10 | 10 |