{action: mouseup, ref: 5}{action: mouseup, ref: 5}{action: mousedown, ref: 13}{action: mousedown, ref: 13} Click on a "checkbox" widget. <BODY ref="13"><FORM id="mturk_form" ref="14"><DIV id="wrap" ref="15"><DIV id="area" ref="16"><DIV classes="widget" ref="1"><BUTTON ref="2" text="5Lm6"></BUTTON></DIV><DIV classes="widget" ref="3"><LABEL ref="4"><input type="checkbox" ref="5" recordingTarget="True" value="False"></input><t ref="-13" text="UK"></t></LABEL></DIV><DIV classes="widget" ref="6"><LABEL ref="7"><INPUT_radio ref="8" value="False"></INPUT_radio><t ref="-14" text="TBhsT"></t></LABEL></DIV><DIV classes="widget" ref="9"><LABEL ref="10"><input type="checkbox" ref="11" value="False"></input><t ref="-15" text="V"></t></LABEL></DIV><DIV classes="widget" ref="12"><BUTTON ref="13" text="nRg"></BUTTON></DIV></DIV></DIV></FORM></BODY>