The width of the back and forward buttons on a survey page.
<survey> <surveypage>
The amount can be specified in percentages, pixels, or points.
The following displays the value of navigationbuttonwidth in a text stimulus:
<text sometext>
/ items= ("navigationbuttonwidth = <% surveypage.page3.navigationbuttonwidth %>")
</text>
The following displays the value of navigationbuttonwidth in an instruction page:
<page somepage>
navigationbuttonwidth = <% survey.mysurvey.navigationbuttonwidth %>
</page>