Thanks for sharing. Have you considered having a shorter version of the survey (with questions from the longer one such that you can still compare results)? A survey which takes 5 instead of 15 min to fill may result in significantly more responses.
Thanks for sharing. Have you considered having a shorter version of the survey (with questions from the longer one such that you can still compare results)? A survey which takes 5 instead of 15 min to fill may result in significantly more responses.