The merit of the interview method of data collection is that:

1.It can cover a very wide geographical area

2.It can study quantitative aspects of any event

3.It is an effective way to study abstract personal factors

4.It is useful in the identification of unanticipated aspects of the respondent

A1 and 2 only

B2 and 3 only

C3 and 4 only

D1 and 4 only

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