Karl Pittman Commissioned a Research Project from the Research Firm

Multiple Choice

Karl Pittman commissioned a research project from the research firm of ADVICE,INC.The results of the project will be presented in a court case and Karl wonders if the opposing lawyers in the trial will question whether or not the telephone calls,used to collect the data,were actually made.Sue Miller,project director at ADVICE,INC. ,had thought ahead and verified that the interviews were actually conducted.She used the standard industry method for verification.Which of the following did she use?

A) use an interviewer only one time
B) call back a sample of the interviewer's respondents to verify that they were interviewed
C) have all interviewers take polygraph tests on a regular basis
D) pay interviewers to watch their peers
E) put video cameras in all work stations