Argues that an examination of expert-novice relationships in unfolding interaction should not proceed from the static and unidirectional view that knowledge and status are distributed as functions of "a priori" categories such as age, gender, and hierarchical rank. Demonstrates that the constitution of expert-novice in dynamic interaction is a…

Focuses on teachers' group identity, seen as a process of co-construction of their group voices within the context of large-group dialogs. Findings identified three types of dialogs: conversation; discussion after a presentation; and interactional dynamics. Findings also indicated four types of teachers' voices: pragmatic; multiculturalist;…

Contrasts teacher-student interactions in typical teacher-fronted second language classrooms with the organization of talk across a variety of alternate educational participant structures--a teacher-student conference, small group work, the making of a class video, and a problem-solving interaction in a computer lab--that deviate from the…