Paper addresses and refutes apparently contradictory evidence. Paper makes no factual errors. Paper is organized with a clear thesis and topic sentences. The introduction sets out the major points that will be discussed in the paper body. Paragraphs stick to their topic.
Paper is written in correct, standard English without spelling mistakes.
Thesis relates to question. Thesis is supported with arguments. Most elements in the argument are supported by convincing evidence. Paper attempts to refute apparently contradictory evidence. Paper makes no major factual errors.