Most teachers base students' grades on more than one factor. The difficulty is figuring out how to weight and combine the different pieces that go into the final mark. Mr. Guskey suggests a system that not only avoids those problems but gives a better overall picture of a student's performance than the traditional single letter grade.
Digital Object Identifier (DOI)
Guskey, Thomas R., "Making High School Grades Meaningful" (2006). Educational, School, and Counseling Psychology Faculty Publications. 30.