Thomas Rickert warns of the dangers of "pedagogies that seek the disruption and politicization of hierarchies of power and privilege, especially in terms of race, class, and gender" because they can "nevertheless produce new forms of power and privilege that in turn produce new resistances, further alienate already cynical students,…

Argues that much of the conceptual-change literature does not study change per se, but infers, often from interviews, changes in students' conceptions and discourse during learning. Concludes that what is needed are descriptions of learning trajectories. Contains 17 references. (DDR)

Provides examples and a discussion of the Inquiry Cooperation Model (ICM). The ICM is a way of describing a pattern of communicative cooperation between teacher and students. It tries to develop students' preconceptions into mathematical competence. Contains 15 references. (DDR)