Multiple Choice
Let
1=no answer
2=not at home when contacted
3=disconnected
4=refused to participate in the study
Which of them contribute to the nonresponse bias in a telephone survey?
A) 1,2
B) 1,2,3
C) 3,4
D) 2,4
E) 1,2,3,4
Correct Answer:
Verified
Correct Answer:
Verified
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