Dear Bo
There is a range of models of discourse analysis which might fit your purposes including
James Paul Gee, Introduction to Discourse Analysis
Norman Fairclough, Critical Discourse Analysis
Of course you might also looks at the cultural theory approaches to body image and fashion although if you want to do some empirical DA work you will need to get down in amongst the words and material objects that construct people's identities etc.
Dr Gavin Melles
Research Fellow, Faculty of Design
Swinburne University of Technology
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