This article describes the research landscape related to the use of video for promoting teacher learning, drawing on a variety of research studies to illustrate the breadth of approaches that have been employed. One particular research study is reported in some detail since, it is argued, this represents a new level of devolution of agency to…

The VIDEO-LM project (Viewing, Investigating and Discussing Environments of Learning Mathematics) is aimed at enhancing mathematics teachers' reflection on their professional practice, through watching and discussing videotaped lessons of unknown teachers. The discussions are guided by the use of an analytic framework, comprised of six detailed…

Presents a conceptual framework for studying the relationship between cognition and the instructional practices of preservice secondary mathematics teachers. Describes how the framework was used as the basis for activities in which preservice teachers engaged in structured reflection upon their teaching as a means toward their professional growth…

Discusses the study of teacher researchers undertaking research into self-chosen aspects of their own mathematics teaching at the secondary level by using qualitative methods to explore the processes and practices of this research and the issues that it raised. Emphasizes that emergent theory of teachers' research activity fit strongly with a view…