ItemContext itemc = (ItemContext) it_it.next();
Element itres = secres.addElement("item_result");
itres.addAttribute("ident_ref", itemc.getIdent());
itres.addAttribute("asi_title", itemc.getEl_item().attributeValue("title"));
Element it_duration = itres.addElement("duration");
it_duration.addText(QTIHelper.getISODuration(itemc.getTimeSpent()));
// process item score
DecimalVariable scoreVar = (DecimalVariable) (itemc.getVariables().getSCOREVariable());
Element it_score = itres.addElement("outcomes").addElement("score");
it_score.addAttribute("varname", "SCORE");