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Differences between primary and secondary data; advantages, disadvantages

Part A: Review the advantages and disadvantages of three principles of primary data collection methods (Interviews, Questionnaires, Observational studies) and briefly explain when to use each

Part B: What are some of the differences between primary and secondary data? What are some disadvantages of using newspaper articles or magazine articles as secondary sources? Why should you use both primary and secondary data in research? Explain.

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Part A: Review the advantages and disadvantages of three principles of primary data collection methods (Interviews, Questionnaires, Observational studies) and briefly explain when to use each.
Answer
Primary data is the data that is gathered by the researcher for the first time. The primary data is unique until it is published or made accessible to others. The popular ways to collect the primary data are interviews, questionnaires and observational studies. Below we will discuss the advantages and disadvantages of these primary data collection method.

Advantage and disadvantages of Interviews:
Interviewing is a technique that is used to gain an understanding of the reasons and motivations for people's attitudes, preferences or behavior. Interviews can be undertaken on a personal one-to-one basis or in a group. When planning for an interview one should list the areas in which he requires the information. It helps to check the ability of the interviewee as it is held face-to-face. The main disadvantage of the interview is that it is time consuming and expensive. Before the ...

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Explanation in response to given questions.

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