The writer’s central purpose or argument is readily apparent to the reader.The ideas are arranged logically to support the purpose or argument. They flow smoothly from one to another and are clearly linked to each other. The reader can follow the line of reasoning. The tone is consistently professional and appropriate for an academic research paper. Sentences are well-phrased and varied in length and structure. They flow smoothly from one to another. Word choice is consistently accurate and precise. The writing is free or almost free of errors. References are professional journals or other approved scholarly materials.