Pros of Questionnaires:
- Can be taken with you and complete it anywhere and anytime
- Information is obtained immediately
- Questions can be asked as they arise
- Quick and Easy
- Cheap
Cons:
- People need to be motivated or willing to complete it
- Can require supervision in order for it to be completed
- Answers can be biased
- Can prove to be useless, if loads are sent out and none are returned
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