title: Research in medical education: three decades of progress.
authors.affiliation: Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, ON, Canada L8N 3Z5. norman@mcmaster.ca
authors.forename: Geoff
authors.initials: G
authors.lastname: Norman
mesh_terms: D004496:Education, Continuing / Q000639:trends; D004501:Education, Medical / Q000266:history / Q000379:methods / Q000639:trends*; D004521:Educational Measurement / Q000379:methods; D005060:Europe; D049673:History, 20th Century; D009656:North America; D012106:Research / Q000266:history / Q000639:trends*