Abstract
Contexts of school-related discourse are not static backgrounds; rather, contexts are produced, negotiated, and hybridized within the flow of dialogue. In this study, an approach to the analysis of discursive intercontextuality is advanced through theories of space-time production. In addition, the management of multiple contexts within school-related discourse is argued to be an important means of discursively producing identity, agency, and power relations. Data are drawn from an ethnographic and discourse-based study of students and sponsors on an extended school field trip. Drawing upon Bakhtin, the first part of the analysis compares the production and hybridization of space-time in two segments of pedagogical discourse. Whereas one segment suggests the imaginative possibilities of discourse to expand identity across hybridized contexts, another segment suggests how school contexts are bracketed and privileged. The analysis turns to work in conceptual integration networks for a method of closely analyzing hybrids, and to consider conceptual dimensions of intercontextuality.

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