Although visual complexity is increasing and graphics are essential to support readers' comprehension of disciplinary texts, visual literacy receives scant attention. Research suggests that effectively instructing students to interpret discipline-specific graphics would yield better comprehension. However, before this line of inquiry can be…

We compared year-long gains in fluency and comprehension in grades 3-5 in 3 treatment and 4 comparison schools. Treatment schools implemented a comprehensive school reform (CSR) program called Bookworms. The program employed challenging text and emphasized high text volume, aggressive vocabulary and knowledge building, and contextualized strategy…

Previous research suggests that elementary teachers vary in their enactment of science curriculum materials and may not always engage students in substantive sense making. This mixed-methods study investigates elementary teachers' use of science curriculum materials to engage students in the scientific practice of comparing and evaluating…

The Collaborative Language and Literacy Instruction Project (CLLIP) is a model of professional development designed to help teachers incorporate research-based practices of literacy instruction, support mastery, and sustained use of these practices through coaching, and serve as a foundation for whole-school reform efforts. We describe the model,…

This study contributes a novel perspective on grade retention by empirically examining how classroom composition relates to the standardized-testing performance of grade-retained students in their post-retained years. This evaluation employed a sample of entire cohorts of urban elementary school children in the Philadelphia School District over 6…

The treatment of errors in mathematics classrooms has gained attention in recent years, with many researchers suggesting that errors should be used as starting points for student inquiry into mathematics. In the study reported in this article, we examined how teachers used discourse around errors to generate inquiry by looking at the treatment of…