Errors make the reader stop, pause, backtrack, and re-read often. Many run-on sentences or fragmentary ideas. Frequently unclear pronoun reference. Cliches or slang used inappropriately. Many typographical errors on every page.
Poor grammar makes the work almost incomprehensible.
5 points for Bibliography Form should be APA style . 5 Few errors. Sufficient resources for the scope of the paper. 3 Significant errors. Some citations out of order or incomplete.