Supporting students in making mathematical arguments is an important part of discourse practices in mathematics classrooms. Differences in teachers' support for collective argumentation have been observed and documented, and the importance of the teacher's role in supporting collective argumentation is well established. This article seeks to…

The research reported in this article was part of a larger study which took place in Abu Dhabi, United Arab Emirates. The large-scale education reform, being carried out at the time of the study, required paradigm shifts in practice; from a traditional to a constructivist approach. The education reform posed on-going challenges and posed questions…

This multiple case study used the lens of identity to investigate how three beginning science teachers deal with practical work during their first two years of teaching careers in high school. In-depth data were collected from multiple sources for the three participants and data analysis was focused on the interactions between personal,…

Research on science-education reform affirms the importance of taking into consideration teachers' pedagogical beliefs in relation of the constructivist perspective to ensure successful implementation of a reform-oriented curriculum. In addition, prominent studies pinpoint the need for teachers to have sufficient pedagogical content knowledge…

Research on science-education reform affirms the importance of taking into consideration teachers? pedagogical beliefs in relation of the constructivist perspective to ensure successful implementation of a reform-oriented curriculum. In addition, prominent studies pinpoint the need for teachers to have sufficient pedagogical content knowledge…