truthiness-meta-box.php

<label for="truthiness"><?php _e( 'Select truthiness', 'facts' ); ?></label>
<select id="truthiness" name="truthiness">
    <option value="0"><?php _e( 'True', 'facts' ); ?></option>
    <option value="1" <?php if ( 'false' == $selected ) { echo 'selected'; } ?>><?php _e( 'False', 'facts' ); ?></option>
</select>