In the past decade, there has been increasing interest in competency-based education (CBE), the notion that an expert physician is defined by a broad set of identified competencies. The idea has been advanced, nearly simultaneously, in several countries—Canada (CanMEDS roles),1 the United States (Accreditation Council for Graduate Medical Education [ACGME] competencies),2 the United Kingdom (Tomorrow's Doctor),3 and Scotland (the Scottish Doctor)4—and adopted by others. CanMEDS competencies have been adopted and adapted by 16 countries, including the Netherlands, Denmark, and Mexico.5 Moreover, the Carnegie Foundation's influential Flexner centenary strongly recommended adopting



