Indicates whether or not a given option in a multiple choice survey question was selected.
<checkboxes> <dropdown> <listbox> <radiobuttons>
This property returns true if the option at the specified index was selected, or false if it was not selected.
The following displays whether the first item in a checkbox question was selected:
<text sometext>
/ items= ("selected = <% checkboxes.foo.selected.1 %>")
</text>
The following displays whether the second item in a listbox question was selected:
<page somepage>
selected = <% listbox.bar.selected.2 %>
</page>