Ideally, dot-point lists should not be longer than around 7 items. That's because the average person (you and I) can hold between 5-9 items in our short term memory.
If a dot-point list has more than 7 items, then readers:
- may forget how the list started
- may not read past the first item (strange but true)
- may lose sight of the start as they scroll down a web page.
So what should you do with longer lists? Don't use dot points. Instead, you could:
- subdivide the list into smaller, logical sections, or
- list items alphabetically, or
- number items and order them chronologically or in a logical sequence (for example, steps in a procedure).