No feedback | Auditory feedback | Haptic feedback | Visual feedback | |
---|---|---|---|---|
I line | 0.51 | 0.35 | 0.07 | 0.16 |
S line | 0.35 | 0.27 | 0.16 | 0.24 |
Circle | 0.48 | 0.20 | 0.29 | 0.15 |
Square | 0.27 | 0.24 | 0.14 | 0.17 |
Slanted S line | 0.49 | 0.41 | 0.26 | 0.31 |
Donut shaped circle | 0.27 | 0.25 | 0.22 | 0.17 |
Spiral | 0.26 | 0.47 | 0.25 | 0.33 |
Arbitrary line 1 | 0.43 | 0.25 | 0.20 | 0.20 |
Arbitrary line 2 | 0.30 | 0.26 | 0.27 | 0.22 |
Chair shaped line | 0.39 | 0.39 | 0.17 | 0.20 |
Flower shaped line | 0.34 | 0.20 | 0.30 | 0.19 |
Average error distance | 0.37 | 0.30 | 0.21 | 0.21 |
Error distance reduction (%) | 100.00 | 80.63 | 56.75 | 57.29 |