I hope that this activity is both entertaining and enlightening for you. You should find at least ten people—try for varying ages and backgrounds—that you can interview about their best and worst experiences with people in your future profession.
You may use survey forms if you would like—they provide more anonymity for your sample, but talking face-to-face gives you the opportunity to follow up on leads that your interviewees give you (e.g., you can ask about things that aren’t clear; you can ask more how and why questions). People are more likely to talk to you about their experiences than to write about them, and anonymity shouldn’t be much of an issue in this case, especially if you don’t record any names of interviewees. These “interviews” may be very informal chats with friends, family, or other acquaintances. However, the people you interview do need to have experience.
Do get some general demographic information on your interviewees if possible, though—things like gender, approximate age, and so forth.
You do not have to write up each interview formally, but save your notes or forms, and write a two-page summary to correlate your general findings and to express what you learned from these interviews