"Peer Assessment is Not an Elixir for All Group Work Challenges" http://www.facultyfocus.com/articles/teaching-professor-blog/peer-assessment-is-not-an-elixir-for-all-group-work-challenges/ might be of interest. Granted, it isn't TBL, but then again maybe TBL isn't special in this regard? - Bill -- Bill Goffe Senior Lecturer Department of Economics Penn State University 304 Kern Building University Park, PA 16802 814-867-3299 [log in to unmask] http://cook.rfe.org