“…Scaffolding Various empirical studies in educational research and second language didactics suggest that scaffolding has high effectiveness for language and subject learning in the classroom (Barricelli, 2015;Götze, 2018;Prediger & Zindel, 2017). Scaffolding is based on Vygotskij's "zone of proximal development" (Cole & Vygotskij, 1979).…”