Some subject knowledge is evident. Some information is confusing, incorrect or flawed. Subject knowledge is evident from this product. Information is clear, appropriate and correct. Subject knowledge is evident throughout.
All information is clear, appropriate and correct.
Reflection Mnay questions not answered. Answers may not be complete or explained, Most questions are answered. Most answers are complete and explained. All questions are answered. Most answers are complete, thouroughly explained, and insightful.