Constructing arguments is essential in science subjects like chemistry. For example, students in organic chemistry should learn to argue about the plausibility of competing chemical reactions by including various sources of evidence and justifying the derived information with reasoning. While doing so, students face significant challenges in…

Given the importance of modelling in mathematics classrooms, and despite the extensive body of research on teacher support for promoting the mathematical modelling cycle in the classroom, authors have overlooked how teacher support for argumentation can contribute to this cycle. This study is aimed at characterizing teacher support for…

This study considers how adolescents compose historical arguments, and it identifies theoretically grounded predictors of the quality of their essays. Using data from a larger study on the effects of a federally funded Teaching American History grant on student learning, we analyzed students' written responses to document-based questions at the…