Supporting content is relevant, appropriate, specific and sufficient for the purpose of the paper.
Organization is clear and logical, with helpful transitions.
The sentence structure is coherent and smooth-flowing with appropriate word choice for the topic and intended audience. Spelling, punctuation and grammar conform to Standard American English. Category 3 Category 3 writing is similar to that of Category 4. However, any or all of the five subpoints could have some weaknesses. For example, though the paper has an internal structure, readers must work a little harder to follow it, and there are occasional punctuation errors.