According to paragraph 3, which of the following is most important for an effective survey? A. a high number of respondents B. Carefully worded questions C. An interviewer’s ability to mea
According to paragraph 3, which of the following is most important for an effective survey?
A. a high number of respondents
B. Carefully worded questions
C. An interviewer’s ability to measure respondents’ feelings
D. A sociologist who is able to interpret the results