The authors who are mathematics teacher educators, have found that classifying, composing, and transforming shapes (in particular, rotations and reflections) are areas of difficulty for adults as well as for children. However, these are also some of the most important geometric ideas. They are fundamental topics in the K-8 Geometry and Measurement…

This paper presents the integration of a real time evaluation method of collaboration quality in a monitoring application that supports teachers in class orchestration. The method is implemented as an automatic rater of collaboration quality and studied in a real time scenario of use. We argue that automatic and semi-automatic methods which…

The study aims to explore in-service teachers' epistemological beliefs about the following five critical paradigms in second language education and their corresponding practices: (1) inductive/deductive grammar instruction, (2) intensive/extensive reading, (3) looking up unknown words in the dictionary/guessing from context, (4) focusing on…

In the United States, reported child abuse rates vary dramatically with race. We employed a scenario methodology to examine whether teachers, whose professional obligations include reporting suspected instances of abuse, exhibit bias in evaluating a possibly abused child. Each teacher (180 White, 180 Black, and 180 Hispanic) read one of six…