Evidence is widely recognized as an essential component of argumentation. Existing research has primarily focused on students' use of evidence to construct explanations or claims. In the present study, 54 11- to 12-year-old Chinese students participated in an extended discourse-based argumentation curriculum, along with an equivalent…

This article argues that a clear division between two sources of information--one oriented to world knowledge, the other to linguistic semantics--offers a framework within which mechanisms for modelling the highly flexible relation between language and interpretation necessary for natural discourse can be specified and empirically validated.…

We annotated transcripts of human tutoring dialogue for the purpose of constructing a dialogue-based intelligent tutoring system, CIRCSIM-Tutor. The tutors were professors of physiology who were also expert tutors. The students were 1st year medical students who communicated with the tutors using typed communication from separate rooms. The tutors…