Which method of quantitative research would probably produce the best results when the questions are simple and require only quick "yes" or "no" answers?

Which method of quantitative research would probably produce the best results when the questions are simple and require only quick "yes" or "no" answers?


A. telephone interviews.
B. focus group interviews.
C. mail questionnaires.
D. personal interviews.
E. observation.


Answer: A. telephone interviews.


Learn More :