1.   After all, written discourse is divided into paragraphs whose boundaries are Marked by indentations.

2.   Psychology is predominantly a written discourse, conducted through the publication of books and papers.

3.   Sometimes, particularly in some types of written discourse, we have only a very general or limited knowledge.

4.   Topic-shifts in written discourse then could be identified with the beginning of each new paragraph.

5.   This is a type which occurs throughout written discourse.