{action: mousedown, ref: 17} Click on a "checkbox" widget. <BODY ref="17"><FORM id="mturk_form" ref="18"><DIV id="wrap" ref="19"><DIV id="area" ref="20"><DIV classes="widget" ref="1"><LABEL ref="2"><INPUT_radio ref="3" value="False"></INPUT_radio><t ref="-5" text="PH04"></t></LABEL></DIV><DIV classes="widget" ref="4"><LABEL ref="5"><INPUT_radio ref="6" value="False"></INPUT_radio><t ref="-6" text="o"></t></LABEL></DIV><DIV classes="widget" ref="7"><LABEL ref="8"><input type="checkbox" ref="9" recordingTarget="True" value="False"></input><t ref="-7" text="f"></t></LABEL></DIV><DIV classes="widget" ref="10"><TEXTAREA ref="11" value="cIC" text="cIC"></TEXTAREA></DIV><DIV classes="widget" ref="12"><LABEL ref="13"><INPUT_radio ref="14" value="False"></INPUT_radio><t ref="-8" text="T"></t></LABEL></DIV></DIV></DIV></FORM></BODY>