strVal = ac.getMaxScore() == -1.0f ? "N/A" : StringHelper.formatFloat(ac.getMaxScore(), 2);
a_score.addElement("score_max").addText(strVal);
strVal = ac.getCutvalue() == -1.0f ? "N/A" : StringHelper.formatFloat(ac.getCutvalue(), 2);
a_score.addElement("score_cut").addText(strVal);
addElementText(ares, "duration", QTIHelper.getISODuration(ac.getDuration()));
addElementText(ares, "num_sections", "" + ac.getSectionContextCount());
addElementText(ares, "num_sections_presented", "0");
addElementText(ares, "num_items", "" + ac.getItemContextCount());