Dressing up for the Success Interview
"Prepare and practice for an interview. After the date and venue has been set, allow time for enough preparation for the big day. Remember that first impressions do last, so the way an applicant look really does matter. Employers could easily give the verdict based on the manner of dressing during the initial interview." -- From Interview to Job Offer: How to Answer Tough Questions & Ace the Interview
By Kevin A MacKenzie.
One thing I didn't pick up from the study was if it was mostly men doing the hiring. Also would the same be true if a man wore something a bit revealing? Its kind of tougher with men because they need to be buff first.