This issue is particularly timely, in its plea to the field to understand that human learning and development have always been on the move--always migrating--even if and when we construct sedentarist bias and territorial boundaries of the nation-state as normative or when we remember or remake as "ambulatory we's" as we engage in…

This article argues that current approaches to participatory design research (PDR) risk eliding the affective life of making educational change by locating change in cultural mediation alone. Locating change only in mediation subordinates affect, potentially overlooking lived dimensions of learning and being essential to lasting, transformative…

Drawing on sociological and philosophical studies of science, science educators have begun to view argumentation as a central scientific practice that students should learn. In this article, we extend recent work to understand the structure of students' arguments to include judgments about their quality through content analyses of high school…