Presentation given by Dr Christopher Stokes to the Dental Education Journal Club on 16 July 2013. Discussion of the following paper: Van Mook, W. N. K. a, Muijtjens, A. M. M., Gorter, S. L., Zwaveling, J. H., Schuwirth, L. W., & Van der Vleuten, C. P. M. (2012). Web-assisted assessment of professional behaviour in problem-based learning: more feedback, yet no qualitative improvement? Advances in health sciences education : theory and practice, 17(1), 81–93. doi:10.1007/s10459-011-9297-0