* The history of writing studies as an academic discipline? This would involve looking at the development of rhetoric, composition, and literacy studies over time.
* The methods used in writing studies research? This could include qualitative and quantitative research methods, rhetorical analysis, genre analysis, and discourse analysis.
* The content of writing studies courses? This would depend on the specific course, but could include topics like writing processes, rhetorical theory, writing for different audiences and purposes, and research methods.
* The ways writing is studied in other disciplines? For example, how is writing studied in history, literature, or psychology?
Once you clarify what you mean by "writing study", I can provide you with a more relevant and helpful answer.