Which of the following statements about sample control is true?
A) Mailing lists for mail surveys are sometimes unavailable,outdated,or incomplete.
B) It can be difficult to prevent respondents from completing an Internet survey multiple times.
C) It is possible to identify specific user groups within a mail panel and to direct the survey to households with specific characteristics.
D) All of the above statements are true.

Question

Quizplus · Accepted Answer

All of the statements are true. Mailing lists may be unavailable, outdated, or incomplete, making it difficult to achieve a representative sample. Respondents can complete an Internet survey multiple times, which can also skew the results. However, it is possible to use panel data to identify specific user groups and direct the survey to households with certain characteristics. Therefore, all three statements are valid concerns for sample control.

Which of the Following Statements About Sample Control Is True