There is uniformity in the data because informants are directly involved,ġ. This method is used if the field of inquiry is wide.ģ. There is the economy of time, labour and wealth.Ģ. A stamped self addressed envelope is also attached.ġ. A covering letter is also sent with the questionnaire. It is requested that it may be returned to the investigator properly filled up. In this method, a list of questions is prepared relating to the problem under investigation, is printed and then sent out to the informants through post. Correspondents should be within from the culture of the informants.Īn important method for the collection of data used for large area is that of questionnaires. Correspondents should not enter their own views.Ĥ. (ii)The information is wanted at regular intervals.Ģ. (i)Rough and approximate estimates are required. Collected data lack uniformity because they are collected by different correspondents and they differ in quality and taste. The data are not original if collected by this method.Ĥ.
If high degree of accuracy is required this method is not adopted.ģ. Data are not reliable which are collected by this method.Ģ. Quality of data is better as enumerators are trained.ġ. This method can be used where the area of inquiry is wide.Ĥ. There is economy of time and labour in this method.ģ. This method is often adopted by government, semi-government and bigger private institutions to collect the information for any purpose.įollowing are the merits and demerits of this method:Ģ. These agents or enumerators are asked to collect information and transmit it to the investigator.
In this method, the investigator does not work but appoints local agents or enumerators in different parts of the area. Information through Local Correspondents: A cross check must be undertaken by investigator.ģ. Respondent or witness should have adequate knowledge about the person, whose information is to be received.Ĥ.
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