Titolo John Hattie, Visible Learning. A synthesis of over 800 meta-analyses relating to achievement. London & New York: Routledge (2009). John Hattie, Visible Learning for teachers. Maximizing impact on learning. London & New York: Routledge (2012). Periodico Form@re (Online) Anno: 2013 - Volume: 13 - Fascicolo: 2 - Pagina iniziale: 144 - Pagina finale: 147