This study examines how a first-year biology teacher facilitates a series of whole-class discussions about evolution during the implementation of a problem-based unit. A communicative theoretical perspective is adopted wherein evolution discussions are viewed as social events that the teacher can frame intellectually (i.e., present or organize as…

This article examines community practices, in particular oral discourse practices, in a junior high school classroom in an urban area of Western Canada. The purpose of the research was to determine what contribution a "community of practice" (COP) framework could make to the study of social interaction in a classroom setting. Qualitative…