Is it possible to change response mechanism after the question has been saved?
Yes, it is possible for most of the response mechanisms. Please note that all response mechanisms are not convertible to all types of response mechanisms. Log in to your account as usual, click on View results or edit survey and then click the Edit-symbol. Go to the Overview-tab and click the Edit-symbol for the question at issue, a new window opens. Select Save as other mechanism at the bottom of this page. In the menu you see the mechanisms available for this specific question.