Question

Why the data collected in personal investigation is uniformity

Answer 1

Answer:

What is direct personal investigation?

Direct personal investigation is the method in which data are collected by the investigator personally from sources concerned.

The several methods of collecting primary data are: Interviews/questionnaires, projective techniques, observation method, schedule method etc.

The several methods of collecting primary data are: Interviews/questionnaires, projective techniques, observation method, schedule method etc.

hope it helps..

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