The number of milliseconds elapsed from the start of the script to the start of the expt, block, or trial, or the onset of a stimulus.
<block> <button> <clock> <expt> <html> <likert> <openended> <picture> <shape> <slidertrial> <sound> <survey> <surveypage> <text> <trial> <video> <xid>
The following displays the timestamp of a trial element in a text stimulus:
<text sometext>
/ items= ("timestamp = <% trial.sometrial.timestamp %>")
</text>
The following displays the timestamp of a trial in an instruction page:
<page somepage>
timestamp = <% trial.sometrial.timestamp %>
</page>