“…Challenges to developing curricula have included finding effective formats, identifying specific behaviors, and measuring meaningful outcomes. [7][8][9][10][11][12][13][14][15] In earlier work, [16][17][18][19] we identified unprofessional behaviors based on surveys of students, postgraduate year 1 (PGY-1) residents, and hospitalists. We found significant rates of participation in certain unprofessional behaviors by PGY-1 internal medicine residents, and that these behaviors worsened over the course of PGY-1.…”