Which of the Following Is TRUE

Multiple Choice

Which of the following is TRUE?

A) Branching questions are easy to develop for a mail questionnaire.
B) Sequence bias is potentially more of a problem in telephone interviews than in mail questionnaires.
C) With the exception of telephone interview questionnaires (which are never seen by the respondents) ,it is generally appropriate to number the questions on a questionnaire.
D) The physical appearance of a questionnaire is especially influential in securing cooperation to studies done by mail.
E) All of the above are false.