Methods of Collection-
The different methods of collecting data are as follows:
(а) Direct Personal Investigation: It refers to the method by which the investigator collects the information personally from the informants and the source concerned. It can be possible if field of investigation is limited. More degree of originality and accuracy is required.
(b) Indirect Oral Investigation: The investigator collects the information not from the original person but approaches certain sources which are close or to be known directly or indirectly to the informants.
- It can be more suitable, if the field of investigation is large.
- There is no possibility of direct contact.
- The concerned informants are not able to read and write.
- Mostly used in government departments.
(c) Local Correspondents: The investigator appoints local agents or correspondents in different parts of the area under investigation. Generally, they collect the information according to their skills and tactfulness and then submit it to the investigators.
- It is more suitable when regular and time to time information is required.
- Area has wide coverage.
- The availability of information is possible through magazine, journals, annual
- report.
(d) Mailed Questionnaire: It refers to the type prepared by the investigator keeping in view the objective of the inquiry and sends it to informants/respondents who post or e-mail. The informants fill it completely by himself and send it back to the investigator.
(e) Questionnaire through enumerators: The enumerators go to informants along with the questionnaire to help fill the questionnaire according to the answers given by the informants. It is also known as schedules.
