Hi Jack:
In instances where someone else has established a grading system, of course it's expected the instructors follow it. In this setting, an instructor can make sure they have taught the material that is to be tested and that the test questions are accurate to the lesson material.
Occasionaly an instructor may feel they have covered the material thoroughly because they understand it. But they find students miss questions on the test. One method to address this is to orally reveiw material before a quiz or test to determine to what degree the students have mastered or learned the… >>>