To support teachers in implementing ambitious reform efforts, professional developers and teacher educators need to know more about teachers' thinking about argumentation. Specifically, there is a need to understand more about teachers' views and evaluations of "students'" mathematical arguments as they play out "in practice."…

Researchers engaged in a collaborative, yearlong study with a seventh-grade language arts teacher who integrated activities to enhance students' understanding of mindsets with content instruction. Lessons emphasized four aspects of mindsets: belief that learning abilities can grow with the investment of effort, willingness to address challenging…

Discussion of exemplars of student work is a productive means of explaining tacit knowledge and guiding students into the requirements of academic writing. Through two cycles of action research in a post-secondary institution in Hong Kong, this study examines how exemplars can be used to enhance student understanding of quality and to promote…