Linear scale item for LMS Moodle Feedback plugin
Edited radio FORM element to create radio with label above radiobutton.

Copy folder scale in to mod/feedback/item/

Append CSS to mod/feedback/styles.css:
.feedback-radio-label-vertical {
  position: relative;
  display: inline-block !important;
  vertical-align: middle;
  padding: 0 20px;
  text-align: center;
}

.feedback-radio-label-vertical input {
  position: absolute;
  top: 28px;
  left: 50%;
  margin-left: -6px !important;
  display: block;
  cursor: pointer !important;
}

Change function toHtml() in lib/pear/html/QuickForm/radio.php
    /**
     * Returns the radio element in HTML
     * 
     * @since     1.0
     * @access    public
     * @return    string
     */
    function toHtml()
    {
        if (0 == strlen($this->_text)) {
            $label = '';
        } elseif ($this->_flagFrozen) {
            $label = $this->_text;
        } else if($this->_vertical) {
              return '<label class="feedback-radio-label-vertical" for="' . $this->getAttribute('id') . '">' .HTML_QuickForm_input::toHtml(). $this->_text . '</label>';
        }else{
            $label = '<label for="' . $this->getAttribute('id') . '">' . $this->_text . '</label>';
        }
            return HTML_QuickForm_input::toHtml() . $label;
    } //end func toHtml