In Preparing Interviewers to Use an Interview Guide, the Researcher

In preparing interviewers to use an interview guide, the researcher should

A) avoid informing the interviewers about the study's hypotheses and research questions.
B) inform the interviewers about the study's hypotheses and research questions, and provide the rationale for each one.
C) allow the interviewers to use their natural interviewing style rather than training them to standardize their use of the interview guide.
D) focus on general principles of interviewing rather than on the specific aspects of the interview guide.