High Refusal Rates

Multiple Choice

High refusal rates

A) are more likely in personal interviewing than in a mail survey.
B) are a major source of error, since those who refuse to participate are likely to differ in important respects from
Respondents.
C) are beyond a researcher's control.
D) are not a problem in some surveys because those who refuse to participate can be replaced by cooperative respondents.
E) none of the above.