That your interviewer is doing most of the talking. Do your research before you show up, mirror them, bring energy and ask good questions. People always like you more if they talk about themselves most in a conversation. That is a good goal. If they are keen to ask targeted questions, be prepared to answer. Your resume is a reflection of your IQ, but your interview is a reflection of your EQ. Come prepared.

For excellent interviewing, read WHO by Geoff Smart. I've been interviewing for 20+ years and learned a lot from this book. It was recommended by several panelists at the Kellogg/Booth conference. Ivy redacted redacted