With an ultimate goal of characterizing teachers' movement toward understanding the epistemic complexity of generative learning environments, this study refers to adaptive teaching expertise (AdTex) as a developmental teaching capacity observable through a teacher's ability to utilize various resources to address the epistemic complexity of…

In a cluster-randomized study, we investigate the impact of an argument-based approach to teaching science in elementary school on science learning and critical thinking skills. Forty-eight schools participated in the study, with data on 9,963 students across the 2 years of the intervention. Annual standardized tests assessing science content…

The Next Generation Science Standards call for the adoption of many aspects of scientific inquiry in the classroom. The ways in which classroom talk and classroom environment change as students and teachers learn to utilize inquiry approaches are underexplored. This study examines the frequency with which linguistic markers related to access and…

This quasi-experimental and pre/posttest study was designed to examine whether fourth-grade students who engaged in collaboratively writing letters to 11th-grade students performed better on tests of conceptual understanding of a unit on force and motion than students who did not. The participants included 835 fourth-grade students and 416…