In classroom settings, students' competence is regularly evaluated through a default practice named Initiation-Response-Feedback (IRF) or Initiation-Response-Evaluation (IRE). In the feedback or evaluation turn, the teacher normally uses acknowledgement tokens (such as uhm, yeah, okay). These tokens perform an active role of maintaining…

Research has addressed what instructional conditions may inhibit or promote scientific argumentation. Little research, however, has paid attention to interpersonal factors that influence collaborative argumentation. The present study examines the ways interpersonal factors affected group dynamics, which influence the features of collaborative…

This paper describes how early childhood teachers' incorporation of pauses raises the quality of talk-in-interaction during play-based mathematics activities. Responses of both children and teachers are shown to be more contingent and expansive when conversations include protracted pauses than during interactions in which pauses are largely…

Establishing a communication-rich classroom can be difficult. This article describes the process and findings of a practitioner action research study addressing the question of how teachers can interact with their students while they are working in groups to encourage and enhance student-to-student communication. Recommended research-based teacher…

Classroom discourse is evaluated for the contribution it can make to students' learning in groups. Data recorded from primary age children working at computers are categorized as exploratory, cumulative, and disputational talk. The teacher's role in making explicit strategies that optimize exploratory talk is discussed. (Contains 31 references.)…

The spoken language occurring when primary school children work in groups at the computer was examined. Findings suggest that discourse accompanying highly structured software conforms well to the initiation/response/follow-up (IRF) structure, with the computer often taking the initiating role. The more open-ended the program, the more…