“…It is also strongly supported by Vygotsky"s learning theory (Hansen & Liu, 2005;Memari Hanjani & Li, 2014a;Min, 2005Min, , 2006Yong, 2010). Drawn from this theoretical framework, several scholars maintain that writing and learning are social processes (DiPardo& Freedman, 1988;Hansen & Liu, 2005;Hyland, 2003;Yong, 2010) and through interaction, negotiation, and collaboration, peers can mutually scaffold each other to improve their writing skills (de Guerrero & Villamil, 1994Hsieh, 2017;Li & Zhu, 2013;Ohta, 1995Ohta, , 2000Shehadeh, 2011;Storch, 2002Storch, , 2005Yong, 2010).…”