Assessing the preparation of preservice candidates for quality teaching, both for mainstream students and for ELs, requires reliable and valid assessments that pay close attention to context, process, and reflection, factors that traditional evaluations of teaching either ignore or undervalue. In this article, the authors focus on one high-stakes…

Mathematics teaching and learning are inherently complex practices, and reports suggest that American teachers are not as successful at teaching mathematics as the authors might hope. In this article, the authors explore how a seemingly ubiquitous new technology--the personal audio/video player--just might help teachers improve mathematics…