“…However, Vygotsky did not specify how the particular content of instruction (feedback) is related to development, and how specific qualities of the tools acquired by the child affect development. A cultural-historical scholar Galperin (Galperin, 1969;Haenen, 2001) has greatly extended Vygotsky's arguments about the leading role of instruction in the child's development by specifying the kind of instruction that can play such a role (Stetsenko & Arievitch, 2002). Galperin proposed six phases of socially meaningful activity that have implications for pedagogy (Edwards, 1995) and more specifically for the development of writing skills: (1) motivation, (2) orientation, (3) materialized action, (4) communicated thinking, (5) dialogical thinking, and (6) acting mentally (Haenen, 2001;Rambusch, 2006).…”