“…Moreover, several researchers have studied argumentative reasoning about multiple perspectives or multiple resources, as displayed in written products, in this age group (e.g., Kuhn & Crowell, 2011;Schwarz, Neuman, Gil, & Ilya, 2003;Wissinger & De La Paz, 2016). In this research, it has been found that without extensive intervention, preferably in the form of collaborative dialogic argumentation about ill-structured problems or controversial issues (Bråten Muis, & Reznitskaya, 2017;Kuhn, 2015Kuhn, , 2018, students tend to disregard counterarguments and rebuttals and fail to integrate opposing arguments to reach a more balanced conclusion. This is consistent with other research focusing on the effects of students' preexisting positions or stances, to which we turn next.…”