Here is a JavaScript solution to randomly invert all except the last answer within a single question.
Set up your survey to use JavaScript and place the following script in the source of the question:
Sample survey attached:
Set up your survey to use JavaScript and place the following script in the source of the question:
<script type="text/javascript" charset="utf-8">
$(document).ready(function(){
// Identify this question
var qID = {QID};
var thisQuestion = $('#question'+qID);
// Generate random number between 1 & 2
var rand = Math.floor(Math.random() * 2) + 1
// If the random number = 2...
if(rand == 2) {
// Reverse the answer order (excepting the last answer)
var lastAnswer = $('.answer-item:last', thisQuestion);
var tr = $('.answer-item', thisQuestion).not(lastAnswer).detach().toArray();
tr.reverse();
$.each(tr, function(i, el) {
$('.answers-list', thisQuestion).append(el);
});
$('.answers-list', thisQuestion).append(lastAnswer);
}
});
</script>Sample survey attached: