This article is more of a literature overview, and it's a book chapter (if I'm not mistaken). The "normal" you refer to is probably an empirical study defending

This article is more of a literature overview, and it's a book chapter (if I'm not mistaken). The "normal" you refer to is probably an empirical study defending a theory in a journal. That's a different format. First, because there's a clear goal that can be summarized (my theory is right!), and second, because journals give you a much more limited number of pages.