These excerpts from Becker’s article represent research writing for an academic audience. What functions does each of the reprinted sections serve for the article’s readers, and why is each located...

These excerpts from Becker’s article represent research writing for an academic audience. What functions does each of the reprinted sections serve for the article’s readers, and why is each located where it is? Why, for example, is an abstract placed at the beginning of an article? Why are key words a valuable part of an abstract?