There are no clear answers to this question. A large page has the advantage that much information can be placed in front of the user at one time. This is most useful for pages containing a large amount of text such as papers are articles. But, it has the distinct disadvantage that you have to scroll down to get to some of the material. Many users don't like to scroll at all, they get all of the impact of a page from what comes up at first.
Many small pages have the advantage that each pages impact can be carefully controlled.
The entire page usually appears at one time. Also, less important information can be placed on less frequented pages. But, you can't control how large the user's browser window is. Your single page may be two pages for them. Jumping within a page We have discussed links before as links to pages.