1. Statistical methodology;Barbosa;Acad Emerg Med,1998
2. Q methodology;Valenta;J Am Med Inform Assoc,1997
3. Q methodology;McKeown,1988
4. Learning needs assessments;Mailloux;J Contin Educ Nurs,1998
5. A needs assessment in continuing professional education;Henretta;Mobius,1984