It offers convincing support for a thoughtful, clearly stated, and adequately limited thesis. Major and minor counterarguments are rebutted effectively. Logic and ideas are well developed. The essay is well-written, interesting, and easy to read.
Sources are authoritative, integrated smoothly, and documented appropriately.
The essay may show originality in the thesis, arguments, use of sources, details, and word choice. It offers good support for a clearly stated and adequately limited thesis. Major and some minor counterarguments are rebutted. The essay may have a few minor mechanical errors or some awkward spots, but basically it is well written. It offers adequate support for a discernible thesis and rebuts the major counterarguments.