What Is the Most Significant Difference Between a Survey and an In-Depth

Multiple Choice

What is the most significant difference between a survey and an in-depth interview?

A) An in-depth interview is more accurate than a survey.
B) Unlike an in-depth interview,a survey cannot use random sampling.
C) A survey is person-to-person and an in-depth interview is online.
D) An in-depth interview is qualitative,and a survey is quantitative.
E) An in-depth interview is primary research,and a survey is secondary research.