A problem with face-to-face interviews is that: a. interviewer ...

[Diane]

A problem with face-to-face interviews is that:
 
  a. interviewer bias could be introduced.
  b. they are expensive.
  c. respondents may give different answers, depending on the sex, race, or appearance of the interviewer.
  d. all of these

Question 2

Highest rates of survey completion are found when the survey is administered:
 
  a. face to face.
  b. by phone.
  c. by mail.
  d. by computer.

[Eunice618]

Answer to Question 1

D

Answer to Question 2

A