This article reports on two quantitative studies of English learners' (ELs) interactions with constructed-response items from a Grade 5 state science test. Study 1 investigated the relationships between the constructed-response item-level variables of English Reading Demand, English Writing Demand, and Background Knowledge Demand and the…

Little research has examined individual linguistic features that influence English language learners (ELLs) test performance. Furthermore, research has yet to explore the relationship between the science strand of test items and the types of linguistic features the items include. Utilizing Differential Item Functioning, this study examines ELL…

The Boston Foundation has long held education as one of its core strategic focus areas, aiming to strengthen the education-to-career pipeline and bolster pathways from early childhood through postsecondary completion for Boston residents. Intended to inform the Foundation's potential direction and activities related to science, technology,…

This article explores heterogeneity as fundamental to learning. Inspired by Bakhtin's notion of heteroglossia, a design team consisting of an experienced classroom teacher and 2 researchers investigated how a class of 3rd and 4th graders came to understand disciplinary points of view on heat, heat transfer, and the particulate nature of matter.…

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…