In this commentary, I examine some of the distinctive, foundational difficulties in learning fractions and other types of rational numbers encountered by students with a mathematical learning disability and how these differ from the struggles experienced by students classified as low achieving in math. I discuss evidence indicating that students…

The aim of this report is to build a shared understanding of competence by providing clarity around the concept and its implications for educational practice. The authors present an understanding of competence that is research-based, relevant and appropriate for diverse educational contexts. This will help to create stimulating, thoughtful and…

Standards for literacy in the twenty-first century raise the bar on the complexity of texts and the tasks for which they are used. The strengths and limitations of contemporary approaches to text complexity are discussed with respect to major points raised in the six articles in this special issue. In addition, four features of text that are of…

The Common Core State Standards emphasize the value of teaching students to engage with complex text. But what exactly makes a text complex, and how can teachers help students develop their ability to learn from such texts? The authors of this article discuss five factors that determine text complexity: vocabulary, sentence structure, coherence,…

The 4th International Conference on Educational Data Mining (EDM 2011) brings together researchers from computer science, education, psychology, psychometrics, and statistics to analyze large datasets to answer educational research questions. The conference, held in Eindhoven, The Netherlands, July 6-9, 2011, follows the three previous editions…