9 Worst Mistakes to Makebr During a Job Interview 1. Forgetting Thebr Interviewer’s Name 2. Admitting tobr Unprofessional Behavior 3. Not Doingbr Your Research 4. Demonstratingbr Gender Bias 5. Not Makingbr Eye Contact 6. Being Negative 7. Poor Judgement 8. Looking at Your Phone 9.