Applying activity theory to undergraduate medical curriculum reform: Lessons in contradictions from multiple stakeholders' perspectives.

While finding contradictions was expected, our analysis profiled their nature and some of the specific tensions they raised across and within stakeholder groups. The activity theory lens provided an accessible way to unravel curricular reform into manageable units of analysis. Systematically identifying contradictions arising from curricular reform will help stakeholders collaborate with a shared purpose toward positive, sustained change.