[Practice experience as a resource--the Delphi method in nursing research].

Delphi method in nursing research is unusual but worthy of attention. The foundation of the method is experience-based knowledge and interaction of experts in successive rounds. Usually delphi method does not produce objective, exact facts. Delphi method is applicable to identifying and clarifying new issues and assumptions and producing well-grounded evaluations--often important in young disciplines. However, critical attitude is needed regarding methodological decisions as well as implications.