Thinking together in primary classrooms has received much scholarly attention in recent years, with a focus on educational dialogue at the forefront of studies concerned with identifying what constitutes effective language for learning. Whilst the expression of explicit reasoning is often discussed, less attention has been given to the role that…

Grammar competition has been proposed as a model for second language (L2) acquisition. Variational Learning provides a framework within which to investigate the idea of grammar competition as the model requires a marriage of quantitative properties of the input with Universal Grammar. A diachronic variational model of grammar competition is…

Science education in the Arab world is conducted in various multilingual contexts. When science is taught in Arabic, diglossia -- the coexistence of the formal language of literacy alongside a local spoken variety -- constitutes a multilingual setting the pedagogical implications of which need to be understood. This study compares teacher--student…

Mathematical Argumentation skills have historically been overlooked in assessment, but the inclusion of Mathematical Argumentation in the Common Core State Standards (CCSS) as one of the Standards of Mathematical Practice challenges assessment developers to assess this mathematical practice. Explanation and justification of one's own thinking to a…

This article explores the mediational role of classroom discourse in the development of shared understanding in the multiethnic classroom. Successful participation in classroom discourse not only requires linguistic and cognitive competence, but also demands cultural knowledge, which often is taken for granted. Research carried out in a…