Try looking at the following article to see if it helps any. They found faculty attitudes to be the main factor in determining simulation use.
King, C. J., Moseley, S., Hindenlang, B., & Kuritz, P. (2008). Limited use of the human patient simulator by nurse faculty: An intervention program designed to increase use. International Journal of Nursing Education Scholarship, 5(1), Article 12. Retrieved February 12, 2009, from The Berkeley Electronic Press Web site: http://www.bepress.com/ijnes/vol5/iss1/art12