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Biographical noteMalcolm MacDonald (BA, Durham; MEd, Bristol; PhD, Warwick)
AbstractThe discourse of any institutional field is composed of a variety of different genres. In medical discourse, three prevalent genres are the research paper, the doctor-patient interview and the textbook. This paper describes how the textual, interpersonal and ideational metafunctions of each genre operate in relation to their institutional context of situation (Halliday, 1978;. As a medical text is delocated and relocated from one institutional context to another (Bernstein, 1990(Bernstein, , 1996, transformations take place with regard to: the ideational options of tense, transitivity and process, the interpersonal options of modality and speaker's comment, and its rhetorical organisation (Halliday, 1978;. These transformations constitute the codes of the pedagogic device. These operate as a symbol system having two ideological effects (Giddens, 1979). First, certain medical texts are privileged over others as 'doxic' texts (Bourdieu, 1991); and secondly, subjects are variably positioned in the professional field depending on their command of the codes of the genres relating to different institutional sites.