How 'pro' can you go?

An article on philly.com discussed the Center for Professional Excellence poll on professionalism:

Recent college graduates are bright and talented, but one major deficiency might put them at a disadvantage in the job market: what employers view as a lack of professionalism. 

A nationwide survey of human resources professionals and business leaders who make hiring decisions found that a candidate's professionalism matters most when deciding whether to extend a job offer. College grads frequently fail that test, decision makers said.