You proposed interaction assumes that the respondent was able to guess the users ultimate goal. That's often only the case on the Nth run-through of the exact

You proposed interaction assumes that the respondent was able to guess the users ultimate goal. That's often only the case on the Nth run-through of the exact same proxy question. Asking the wrong question wastes both the asker and the answer's time. By all means be kind, but if you fail to take the opportunity to remind someone to be wary of this general problem you are doing both them and yourself a disservice.