If you are dressing for an interview you would want to dress professionally. that might mean a tie, a button up shirt, and dress pants. also you need to be clean for the interview. you can't smell because otherwise the person who is trying to employ you might not hire you as a potential candidate, depending on what job you want. You have to be on time, treat other people with respect, and can't have a negative attitude. It always has to be a positive attitude in the work place. It always has to be a positive, otherwise you could either get a written warning and if you do the same thing again you could get fired.