The study of questions has occupied a prominent role in the research into classroom discourse. For science teaching, questions are fundamental since they can connect students with the patterns of scientific thinking. In this article, we developed analytical tools to investigate the epistemic dimension of questions in chemistry teaching. We draw…

In this paper I report on the sociological and educational particulars of "The Biodiscovery Space" exhibition of the Life Museum of the Oswaldo Cruz Foundation in Rio de Janeiro, Brazil, using Basil Bernstein's framework of pedagogic discourse and recontextualization. Data for analysis was obtained from interviews with the exhibition…

Discusses a study of concord phenomena in spoken Brazilian Portuguese. Findings indicate the presence of disfluencies, including apparent corrections, in about 15% of the relevant tokens in the corpus of recorded speech data. It is concluded that speech is not overly laden with errors, and there is nothing in the data to mislead the language…