The response latency for the first character typed into the textbox.
None.
The following displays the value of firstcharlatency in a text stimulus:
<text sometext>
/ items= ("firstcharlatency = <% trial.sometrial.firstcharlatency %>")
</text>
The following displays the value of firstcharlatency in an instruction page:
<page somepage>
firstcharlatency = <% trial.sometrial.firstcharlatency %>
</page>