Not at home nonresponse bias is most affected by a. interviewer ...

[cookcarl]

Not at home nonresponse bias is most affected by
 a. interviewer training.
  b. the subject of the research.
  c. sample size.
  d. quota sampling.
  e. using a more sophisticated sample design.

Question 2

Which of the following is effective in reducing the incidence and problem of not at homes?
 a. Using a straight callback
  b. Using a modified callback
  c. Making advance appointments
  d. Both b and c.
  e. a, b, and c.

[amanda_14]

Answer to Question 1

a

Answer to Question 2

E