We all need to stay focussed on the questions asked, which is how to dress for an interview for a medical residency position. For that, I believe the answer is very conservatively. On the other hand, there are many other jobs, for which the answer is something different. I imagine that if I were interviewing someone for a very creative job, I would like to see more individuality and creativity exercised even in how one dresses. And for many jobs, how one dresses simply doesn't matter. A friend of mine recently hired a research tech, and she told me she hired the person most prepared for the interview, the kid that took the trouble to pubmed her and download and read some of her papers, and then ask her good questions about them. To me, the clothes are about showing you know what is expected of you in terms of attire, but mostly about not wearing anything that will offend or distract the interview away from what it should be about, your qualifiications and why you are ideally suited for the job. So being dressed neatly, well groomed, and in attire appropriate for the task at hand is what its all about.