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Advantages and Disadvantages of Data Gathering Methods

Please discuss the following:
What are the advantages and disadvantages of the two principal methods of gathering data - the questionnaire method and the interview approach? Provide an example of a poor interview question in your response.

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The advantages of using a questionnaire versus an interview include the fact that most questionnaires provide anonymity. Therefore, participants are more likely to be honest and provide their true feelings about a topic or individual. Whereas, in an interview a participant is face to face with an individual who may be recording or filming the ...