The aim of such contribution is to present in a reflexive approach a project of teaching of qualitative and quantitative methods in master 1 of social sciences. It is based on congruent interests of the both methods for the multidisciplinary research investigations. The processes observed during the peer-tutelage actions are analyzed according to the approach of analysis of activity. The discussion investigates the interest of such teaching framework built in an active approach of learning as a bridge between theory of (...) methodology and practices of analyst. (shrink)