A researcher studying literacy rates in rural India collects data by personally visiting villages and conducting face-to-face interviews. This approach exemplifies:
A. Secondary data collection from census reports
B. Primary data collection through mailed questionnaires
C. Primary data collection through direct personal investigation
D. Secondary data collection through indirect oral investigation
Answer: Option C
Solution (By JKExamLibrary)
Direct personal investigation involves the investigator collecting data firsthand through direct interaction with respondents, which is a method of primary data collection.
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