Velocity dependence of perceived roughness for all seven texture surfaces in six scanning conditions
| Active finger | Active probe | Passive finger | Passive probe | Pseudo-passive finger | Pseudo-passive probe | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| F(4,6) | p | F(4,6) | p | F(4,6) | p | F(4,6) | p | F(4,6) | p | F(4,6) | p |
| 1.575 | 0.213 | 0.427 | 0.788 | 10.045 | 6.3 × 10−5* | 115.749 | 2.6 × 10−15* | 2.627 | 0.060 | 0.412 | 0.798 |
Only passive scanning conditions show velocity dependence. Two-way ANOVA was used for all seven textures and five velocities. *High velocity dependence of perceived roughness.