Online Classes CS Foundation – Methods of Data Collection
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We are also bringing some theoretical knowledge in the form of these blogs and articles. This article carries detailed information about ‘Methods Of Data Collection – Primary and Secondary’.
- Direct Personal Observation:
Direct Personal observation is a typical method of collecting Primary Data. Here the investigator directly interacts with the informants, requires their cooperation and enumerates the data. This method provides accurate information as the investigator collects them personally. However, the method is quite costly and time-consuming. So the method should be used when the scope of inquiry is small.
- Indirect Oral Interviews:
Itself name indicates, a Primary Data is collected by indirect methods. Here information is not collected directly from the informants or the source, but by interviewing persons closely related to the problem. The investigator draws ‘a list of questions’ relating to the problem. The information is collected by interviewing persons well associated with the incident. The investigator should cross-examine the informants to get correct information. This method is time-saving and relatively less costly.
- Mailed Questionnaire Method:
The Questionnaire Method is a largely used for collecting Primary Data. In this method, information is collected through a set of questionnaire. Questions in the Questionnaire relate to the problem/inquiry directly or indirectly. The Questionnaire should carry a gentle note explaining the objective of the inquiry, definition of various terms and concepts used there. The success of Mailed Questionnaire Method depends upon the way in which the Questionnaire is drafted. So the investigator must be very careful while drafting a Questionnaire.
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