Social Media like Facebook have become new arenas for argumentation and may provide an opportunity to facilitate, and understand argumentative processes on a large scale over longer periods of time. Through apps, group awareness tools and argumentation scripts can be implemented in social networking sites, to provide additional, graphically visualized information, and prompt learners to formulate
... [Show full abstract] or review sound arguments. Data can provide insights on how argumentation scripts are internalized over time. This 2×2 field study (N=105) aims to extend knowledge about supporting argumentation processes. It examines how Facebook can be harnessed for argumentative learning through group awareness tools and argumentation scripts; we found effects for both conditions on processes of argumentative knowledge construction and domain-specific knowledge outcomes. We show and discuss how productive argumentation practices are increasingly shared among a class of learners over the course of nine weeks when appropriately supported.