Recent advances in eye-tracking technology afford the possibility to collect rich data on attentional focus in a wide variety of settings outside the lab. However, apart from anecdotal reports, it is not clear how to maximize the validity of these data and prevent data loss from tracking failures. Particularly helpful in developing these…

In this book the authors explain how to build, and over time improve, the elements of an observation system that equips all observers to identify and develop effective teaching. It is based on the collective knowledge of key partners in the Measures of Effective Teaching (MET) project--which carried out one of the largest-ever studies of classroom…