The author wants her students to see any new mathematics--fractions, negative numbers, algebra--as logical extensions of what they already know. This article describes two students' efforts to make sense of their conflicting interpretations of 1/2 × -6, both of which were compelling and logical to them. It describes how discussion, constructing…

Rorrer, Skrla, and Scheurich (2008) proposed a theory that district leaders enact several essential roles when engaging in systemic reform that both improves achievement and equity. Their theory identified reshaping district culture as one of these essential functions in systemic reform. This case study explored how leaders in one Massachusetts…

The responsibility for college success has historically rested with the student, but since the 1980s, educators have taken increasing ownership of this, designing structures that increase the likelihood of learning, success, and retention. These efforts have included a variety of initiatives--first year seminars, learning communities,…

In this paper, we investigate the correspondence between student affect and behavioural engagement in a web-based tutoring platform throughout the school year and learning outcomes at the end of the year on a high-stakes mathematics exam in a manner that is both longitudinal and fine-grained. Affect and behaviour detectors are used to estimate…

The Second International Conference on Educational Data Mining (EDM2009) was held at the University of Cordoba, Spain, on July 1-3, 2009. EDM brings together researchers from computer science, education, psychology, psychometrics, and statistics to analyze large data sets to answer educational research questions. The increase in instrumented…