define(['lodash', 'taoQtiItem/qtiCreator/model/mixin/editable', 'taoQtiItem/qtiItem/core/choices/SimpleChoice'], function(_, editable, Choice){ "use strict"; var methods = {}; _.extend(methods, editable); _.extend(methods, { getDefaultAttributes : function(){ return { 'fixed' : false, 'showHide' : 'show' }; } }); return Choice.extend(methods); });