•Make your questionnaire as short as possible.
•Make sure people will be able to answer your questions
•Don’t assume knowledge or make it seem that you expect a certain level of knowledge by the way your questions are worded.
•Start with easy to answer questions. Keep complex questions for the end.
•Ask for personal information at the end
•Use a mix of question formats
•Don’t cause offence, frustration, sadness or anger
•Avoid double-barrelled questions.
•Avoid negative questions.
•Avoid jargon and technical words.
•Avoid words with multiple meaning
•Avoid leading questions