Interviews are one of the most stressful parts of the hiring process. But, if you come prepared, here’s hoping that your nerves won’t get the best of you like they do with so many others.

What should you avoid doing during an interview? Here are several ways that job candidates embarrassed themselves during this crucial part of the job search:

1. Not doing your research on the company

Ideally, you’ve done your research on the company before you applied, especially since optimizing your resume to each job is an essential part of landing an interview. But some candidates fail to do this, resulting in stories like these (from MyCrappyResume):