This study attempts to corroborate the potential of theme as genre discriminator. More precisely, its potential as subgenre discriminator.
reinforce Swales? claim that the disciplinary area itself might turn out to be a relevant variable.(Swales,1994)
I intend to follow in Mac Donald?s (1994) line of research, which focuses on subjects to disclose subdisciplinary differences in the text of humanities.
Halliday (1993, in Martínez 2003) claims that in scientific texts the role of theme as an organizer of texts is crucial