This study is framed in the social perspective of Epistemology of Science, and it aims to examine the epistemic operations performed by high school students while engaged in a role-play about food safety that requires them to engage in both argumentation and decision-making practices. The epistemic operations are examined on two different levels:…

This paper explores the group dynamics among three groups of students involved in collaborative learning in mathematical modelling activities. It reports how group dynamics were established and their influence on the students' mathematical problem-solving endeavours. Through video analyses, discourse structures were identified to suggest the…

Explores ways in which expert and novice roles are constituted and maintained in an academic counseling encounter. Characterizes the meeting as a socializing, problem-solving event and uses functional linguistics and discourse analysis to describe how the counselor and student mark stance through linguistic choices such as polarity, modality,…

Discourse analysis of audiotapes of simulated telephone hotline conversations of adolescent dyads consisting of either one, two, or no adolescents with learning disabilities (LD) found that adolescents with and without LD were equally skilled at requesting advice, but adolescents with LD had significantly greater difficulty generating solutions to…

A major goal of ESL education is to teach students how to speak English well enough to converse spontaneously and naturally with native speakers. Discourse analysis provides an understanding of those skills second language learners need to acquire to converse with native speakers and an understanding of how these skills may most beneficially be…