Scholars have long critiqued points of view in which monolingual perspectives are seen as normative in research on multilingualism. In relation to this "monolingual orientation," however, in which monolingualism is perceived to be the implicit norm, less work has been dedicated to methodological challenges. As disciplinary perspectives…

In spite of its potential for learning, and in particular knowledge revision, argumentation on science concepts is neither easily elicited nor easily sustained. Students may feel uneasy critiquing and being critiqued, especially on complex science topics. We report on a controlled study that tested the role of 2 potential factors that may either…