The anticipation of an interview tends to lead to anxiety, which can often lead to self-doubt. The thing to remember is that even if you’re not feeling 100% confident when you go in, there are little things you can to project self-confidence that will make all the difference in how the interviewer perceives you. In this case, the saying holds true: Fake it ‘til you make it. This article offers advice for how to look and sound confident.