In this commentary, the author reflects on four studies that have greatly expanded the knowledge base on effective interventions in mathematics, and he provides four rigorous experimental studies of approaches for students likely to experience difficulties learning mathematics over a large grade-level span (pre-K to 4th grade). All of the…

In this article, the author comments on Dominguez, Vitiello, Maier, and Greenfield's (2010) article on identifying quality in preschool education. Dominguez et al. have conducted a methodologically sophisticated study describing the growth of learning behavior among Head Start children. By doing so, they contribute to a growing body of evidence…

The authors advance an argument that placing observation of actual teaching as a central feature of accountability frameworks, teacher preparation, and basic science could result in substantial improvements in instruction and related social processes and a science of the production of teaching and teachers. Teachers' behavioral interactions with…