While there is a vast literature arguing that teacher talk in whole class discussions is a determinant of quality science teaching, teachers' understanding of enacting teacher talk is under-researched. Using teacher cognition as a theoretical lens, the purpose of this study was to explore how experienced and novice science teachers in South Africa…

During the 1980s increasing attention was paid to writing-to-learn elementary school subjects outside of traditional language arts courses. The concept of writing-to-learn in science has much in common with the concept of a science learning community premised upon a social constructivist epistemology. This paper reports on research designed to…

This document is the fourth volume of the proceedings of the 29th Conference of the International Group for the Psychology of Mathematics Education. Conference papers are centered around the theme of "Learners and Learning Environments." This volume features 42 research reports by presenters with last names beginning between Mul and Wu:…