Survey and Interview Research Is _________________

Survey and interview research is _________________.

A) a method that involves the collection and reanalysis of existing quantitative data.
B) a method that uses a written questionnaire or formal interview to gather quantitative data on the backgrounds, behaviors, beliefs, or attitudes of a large number of people or agencies
C) a nonreactive method used to examine the content, or information and symbols, contained in written documents or other communication media
D) the unobtrusive collection of data that have usually been left behind by others