The authors started off the introduction generally by introducing the territory through discussion of the different components of an academic writing in the first paragraph and then going on to talk about the studies done to show the applicability of the CARS model in research articles of various disciplines. Next, they narrowed it down to the specific by establishing the niche as shown in the following paragraph quoted from the article:
“However, relatively little research has been done specifically on research article introductions alone. Two recent exceptions are Anthony’s (1999) study of Software Engineering and Samraj’s (2002) studies of Conservation Biology and Wildlife Behaviour. Both these studies have revealed disciplinary variation in the structure of introductions in these disciplines. This finding points to the need for more in-depth study of this genre in specific disciplines.”
Finally, the authors narrowed it down even further by occupying the niche. They explained the scope of their work which is the analysis of the introductions of ten biomedical research articles. They also explained the significance of their work which is the lack of studies on introductions of research articles. This systematic approach from the general to the specific makes the article very