<td class="response"><input type="checkbox" name="sw_psychphys" value="presentation" />Presentation</td>
<td class="response"><input type="checkbox" name="sw_psychphys" value="psychopy" />PsychoPy</td>
<td class="response"><input type="checkbox" name="sw_psychphys" value="pyepl" />PyEPL</td>
<td class="response"><input type="checkbox" name="sw_psychphys" value="presentation" />Presentation</td>
<td class="response"><input type="checkbox" name="sw_psychphys" value="psychopy" />PsychoPy</td>
<td class="response"><input type="checkbox" name="sw_psychphys" value="pyepl" />PyEPL</td>