How would you rate your performance in this interview so far?
This question is designed to test your stress responses in real time.How you answer this question will offer the interviewer insights into your confidence. It also presents an opportunity to circle back around to questions you feel you could have elaborated on more, or where you feel you may have left out relevant information. Avoid asking them how they think you're doing so far. This will convey a lack of self perception and not being self-directed in your work.
"I believe that this interview has been quite informative and I am happy with my performance. Is there anything that I can clarify for you from this conversation?"
"If you feel that your performance in the interview is not going well: "I am not sure if I have been able to portray myself 100% accurately in this interview; although, I am trying my best. If there is anything more that I can clarify for you I would be happy to do so."
