We investigated what a cognitive framework for measuring classroom teaching could reveal about (a) the impact of a professional development (PD) program on teaching practices and (b) the relationship between teaching practices and student science learning. To conduct this study, we leveraged a collaboration between two entirely independent…

This article is drawn from a study conducted to explore how assessment conversations, a type of informal formative assessment, can support science learning in a technology-aided seventh-grade classroom in Northern California. The classroom setting where the study took place used interactive whiteboards in conjunction with the inquiry-based…

As discipline-based astronomy education researchers become more interested in experimentally testing innovative teaching strategies to enhance learning in undergraduate introductory astronomy survey courses ("ASTRO 101"), scholars are placing increased attention toward better understanding factors impacting student gain scores on the…

As part of an ongoing project to examine student learning in upper-division courses in thermal and statistical physics, we have examined student reasoning about entropy and the second law of thermodynamics. We have examined reasoning in terms of heat transfer, entropy maximization, and statistical treatments of multiplicity and probability. In…

This paper describes the results from a qualitative study of 72 preservice teachers' initial ideas about contextualizing science instruction with language minority students. Participants drew primarily on local ecological and multicultural contexts as resources for contextualizing instruction. However, preservice teachers enrolled in the bilingual…

There is concern that online education may widen the achievement gap between students from different socioeconomic classes. The recent discussion of integrating massive open online courses (MOOCs) into formal higher education has added fuel to this debate. In this study, factors influencing enrollment and completion in a pre-college preparatory…

Much has been written recently about the role of talk in content-area learning, including science learning. However, there is still much to be learned about how teachers begin to engage students in the kinds of peer-to-peer conversations that help them make sense of their investigations in science and that advance their conceptual understandings.…

There is a growing national recognition that teachers and teaching are at the heart of successful educational reform. However, few tools exist for measuring classroom instruction. The primary purpose of this article is to describe methods we developed to measure and study teaching, specifically while teachers were using a multimedia intervention…