Research Article
Haptic Stylus and Empirical Studies on Braille, Button, and Texture Display
Table 5
Experimental results for tactile feedback (%).
| Tactile feedback | | 1 | 2 | 3 | 4 | 5 |
|
Group I | 1 | 100.0 | — | — | — | — | 2 | — | 100.0 | — | — | — | 3 | — | — | 97.5 | 2.5 | — | 4 | — | — | 7.5 | 92.5 | — | 5 | — | — | — | 2.5 | 97.5 |
| Group II | 1 | 95.0 | — | 2.5 | 2.5 | — | 2 | — | 100.0 | — | — | — | 3 | — | 7.5 | 92.5 | — | — | 4 | — | — | — | 97.5 | 2.5 | 5 | — | 22.5 | — | 5.0 | 72.5 |
| Group III | 1 | 60.0 | 17.5 | 12.5 | 10.0 | — | 2 | 10.0 | 90.0 | — | — | — | 3 | 5.0 | — | 95.0 | — | — | 4 | — | — | 7.5 | 82.5 | 10.0 | 5 | 10.0 | — | — | 15.0 | 75.0 |
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