Which of the following is critical to the success of an effective interview?

Establishing credibility, trust, and rapport is critical to the success of an effective interview. When interviewees trust the auditor and feel comfortable, they are more likely to provide honest and useful information. Building rapport also helps in reducing resistance and ensuring a smooth flow of communication during the interview.

IIA References:

IIA Standard 2420: Quality of Communications emphasizes the importance of clear, accurate, and constructive communication. Establishing trust and rapport during interviews contributes to the quality of information gathered, which in turn enhances the overall quality of audit communications.

The Practice Guide on Effective Interviewing Techniques discusses the importance of building rapport and trust to encourage openness and candidness from interviewees.