“…The potential of working in small groups is widely recognised (Webb, 1989;Yackel, Cobb and Wood, 1991;Pea, 1993;Van Boxtel, Van der Linden and Kanselaar, 1997;Van der Linden and Renshaw, 2004). There are, however, still questions about how to maximise benefits and how to prepare teachers to provide adequate tasks and help (Grugnetti and Jaquet, 1996).…”