The duration of the response window.
<block> <defaults> <expt> <likert> <openended> <response> <slidertrial> <trial>
The following displays the value of windowwidth in a text stimulus:
<text sometext>
/ items= ("windowwidth = <% response.foo.windowwidth %>")
</text>
The following displays the value of windowwidth in an instruction page:
<page somepage>
windowwidth = <% response.bar.windowwidth %>
</page>