We investigate automatic detection of teacher questions from automatically segmented human-transcripts of teacher audio recordings collected in live classrooms. Using a dataset of audio recordings from 11 teachers across 37 class sessions, we automatically segment teacher speech into individual teacher utterances and code each as containing a…

Analyzing the quality of classroom talk is central to educational research and improvement efforts. In particular, the presence of authentic teacher questions, where answers are not predetermined by the teacher, helps constitute and serves as a marker of productive classroom discourse. Further, authentic questions can be cultivated to improve…

Being challenged by opposing views in a controversial discussion can stimulate the production of more elaborate and sophisticated argumentations. According to the model of argument reappraisal (Leitão, 2000), such processes require transactivity, meaning that students do not only give reasons to support their own position (e.g., pro/contra…

The authors, working from a "new literacies studies" perspective, suggest that educators can better teach their students if they develop their own knowledge of the purposes, types, and language conventions students use in their informal out-of-school literacy practices. The purpose of this study was to identify the literacy practices…

This article examines a collaborative study group's discussions about "revoicing," an idea from linguistics that has been identified as an important discourse strategy in the teaching of mathematics as well as other content areas. This group, made up of eight middle grades (grades 6-10) mathematics teacher-researchers (TRs), one university…

In this study, we explore language--specifically the use of Spanish, in a sixth-grade science classroom, where the district recognises English as the official language of instruction. The question guiding our analysis is: How is Spanish positioned in Ms. Cook's science class? Transcribed interaction from twelve weeks of videotaping is coded and…