Advantages and disadvantages  | |  What are the advantages and disadvantages of a questionnaire and interviewing as a method of finding out information?
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| | | | | | | | 1.  zugedanit (1944) | 3 years ago |  Are you sure of the difference between a survey and a questionnaire?
A survey goes to any member of the public, asking their opinion about something. A questionnaire goes to a supposed 'expert' for more detailed answers on the topic being investigated.
Questionnaire/ Interviewing an Expert
Advantages:
* Questions go to people who should know about the subject
* You can ask the questions that you really need answers to
Disadvantages
* You may get no reply or a late reply
* The person may be very helpful or unhelpful - you do not know in advance
* The person may be biased
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