Service and education share responsibility for nurses' value development.

This article examines professional values of senior baccalaureate nursing students and practicing nurses. An important finding was that practicing nurses rated behaviors reflecting values in the American Nurses Association (ANA) Code for Nurses as more important than did senior students, thereby supporting the notion that practice contributes to value formation. The ongoing development and internalization of the nursing professions' values requires active involvement by staff development educators. The phenomena of value formation and development of professional values appear to mirror the novice to expert model.