Just as a starting point, Andrew- asking someone how many times in their career they have provided a therapy is a question which will be subject to a great deal of inaccuracy. This is called "recall bias." Unfortunately, your survey will be almost entirely composed of data which is made up by the people answering the question. That's not even a real survey, much less a study.
Maybe re-write focusing on providers' attitudes regarding narcan as a diagnostic tool, without asking the question "how many times have you ..."
This really could be a simple, easy survey reflecting people's attitudes about the practice. But you will need to spend a few minutes developing questions which actually lead to non-predetermined conclusions. This still should not take long.
Part of the pushback your are getting is about pride in the profession. If paramedicine is to move toward the arena of research and practice improvement, the onus is on the new generation to care about data collection and interpretation. And, you are part of the new generation. If you want to stay up to date in the field after certification, it would really be helpful to have some understanding of how to read and interpret basic research. Because the prehospital and emergency medicine literature is still very much in its infancy, this is an exciting time for EMS. I'm sorry if your instructor doesn't feel that way, but there are many, many medical directors in this country that do.
Definitely get the assignment done, but really this stuff is important and will only become more so in the future.