Exhibits a defined sense of unity and purpose. Includes topic, paragraph, and sentence transitions, and contains no major and few minor grammatical or technical errors. Graphics are highly informative, well-designed, and easy to interpret. AB Generally means you meet all criteria for an A except presentation and problems with one or two criteria. Audience and purpose may be clear, for instance, but you failed to develop an idea.
Successful effort is evident throughout the paper.
Slight inconsistencies in identifying audience . The work's purpose and technical objectives may be somewhat ill-defined. Background material sets the context , frames, and introduces the subject. While well-written and adequately detailed, some sections may be lack complete development and coherence. Unevenness in presentation and content.