Kelli Staley, 'Brary Web Diva surveyed library folks and gives her results here.
Staley found that nearly 80% thought that in order to get a copyright, the author must publish the work (incorrect). On the other hand, just over 80% knew that copyright today lasts life + 70 years (correct).
See more questions and answers at her blog. Kelli asked 20 questions, using Survey Monkey. She asked members of the Rutgers Online MLIS program, Rutgers’ LISSA mailing list, PubLib list-serv, the SLA-Illinois mailing list, and readers of her blog to participate. She got 278 responses.