If all the interviewers are men

people tell interviewers what they think the interviewer wants to hear.

If all of the interviewers are women

Opinion or prejudice on the part of an interviewer, which is displayed during the interview process and thus affects the outcome of the interview. In research interviews, it is necessary that the interviewer conduct the interview with total objectivity, so that respondents are not influenced by any outside source in their responses. For this reason, interviews should be conducted by well-trained and qualified interviewers.