The writer's purpose is made clear in the thesis statement. The writer associates the thesis to key issues. The thesis is appropriate for the length of the paper. Each paragraph develops a single point or idea. Each paragraph is logically organized.
Every paragraph is relevant to the larger thesis.
There is a smooth transition between paragraphs. No sections drift away from the thesis. Organization is apparent to the reader. Each assertion is supported with specific evidence. Interpretations and inferences follow logically from the evidence.