In the context of a drop$-$off survey, which of the following is true?

It is a face$-$to$-$face personal interview that takes place in a shopping mall.

It is a face$-$to$-$face structured question$-$and$-$answer exchange conducted in a respondent's home or at times in an office environment.

In this survey, a representative of the researcher hand$-$delivers survey forms to selected respondents.

FCC regulations prevent the use of drop$-$off surveys.

In this survey, the researcher arranges a computer$-$assisted telephone interview with the respondents.