Which of the following statements is FALSE?
A. Nonresponse can cause bias in surveys because nonrespondents often tend to behave differently from people who respond.
B. Non-sampling errors are often bigger than the random sampling errors in surveys.
C. Slight changes in the wording of questions can make a measurable difference in survey results.
D. People will sometimes answer a question differently for different interviewers.
E. Sophisticated statistical methods can always correct the results if the population you are sampling from is different from the population of interest, for example, due to undercoverage.
Answer: E