Haptic Stylus and Empirical Studies on Braille, Button, and Texture Display

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left"></td><td align="center">0 Hz</td><td align="center">2 Hz</td><td align="center">5 Hz</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Average percentage of correct
 answers</td><td align="center">79.9</td><td align="center">81.9</td><td align="center">82.7</td></tr><tr><td align="left">Standard deviation</td><td align="center">18.6</td><td align="center">12.3</td><td align="center">9.2</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Percentage of correct answers according to frequencies.

BioMed Research International

tab2

Table 2

Table 2: Haptic Stylus and Empirical Studies on Braille, Button, and Texture Display 