This study is framed in the social perspective of Epistemology of Science, and it aims to examine the epistemic operations performed by high school students while engaged in a role-play about food safety that requires them to engage in both argumentation and decision-making practices. The epistemic operations are examined on two different levels:…

This study investigates how previous exposure to a foreign language and culture influences student performance in online knowledge-building tasks. As knowledge-building tasks allow students to share and distribute their knowledge; this study examines whether foreign language and culture knowledge is also distributed amongst the group. The study…