The Library Network can support you in using Webropol to compose your survey. Here are some sources of advice on how to write a good survey - where to start, the best sort of questions to use etc.:
There is a wide range of books on research and study skills, including questionnaire design, available from NHSGGC Libraries. There are both print and e-books, which can be browsed or borrowed. Contact library staff for details or reserve a copy on our online catalogue.