Presentation of the book class teaching Experimentation with student groups of Mpagaki c, Demertzis, Kaisari, Fakitsa m, Stamatis (I) on the workshop on “international developments in educational leadership and school improvement the international program: Carpe vitam. Leadership for learning “, which was organized by the Unit for methodology programmes in education of the University of Patras. GSEE Auditorium, Athens, November 21, 2008