This article describes how students in an urban Catholic school draw on racial and religious categories to construct classroom-specific identities during coursework. When students engage with each other in classroom discussions, they use broadly circulating, institutional, and event-level categories to position one another, and in doing so…

It has been theorized that contextual tasks support student engagement and sense making. Yet, contradictory ideas exist about the role of these tasks in lessons, and further research is needed to explore how classroom interactions can help achieve their intended purposes. Through video observation of lessons in three eighth-grade classrooms using…

There is considerable agreement about the fact that the presence of researchers in the classroom mediates teaching and learning. Why "should" two very different forms of human activity, one designed to study the other, interact and mediate each other? In this article, we propose cultural-historical activity theory as a framework for understanding…

This paper describes an instrument designed to yield quick and reliable data on cognitive processes in classroom interactions; techniques of applying the instrument to classroom situations; findings on the reliability of the instrument; and implications for its uses as a research instrument or, when coupled with the paradigms developed by Nelson,…