Advantages of a questionnaire:
- They can be used to collect a very large and vast amount of data that can cover an extremely large target audience
-It can collect many different peoples views on a subject over a huge range of views
-It is normally very reliable
-Speedy collection of the dats as people tend to fill in questionnaires on the spot
-They are usually anonymous therefor more personal detail can be collected
Disadvantages of a questionnaire:
-The dats given is not always 100% the truth.
-difficult to research the more complicated things as it could be that there is not enough space or time to fill in in detail
-The person filling out the Questionnaire might not understand the question, meaning that the answer might not be 100% true.
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