A teacher has a conference with a parent who is angry because he claims the final grade his son received on the literature unit is unfair. According to the parent, the grade had nothing to do with what the student did or learned in class. The teacher responds by showing the parent the unit objectives, class activities, and test questions and explains how they fit together. The teacher is presenting evidence of the Group of answer choices reliability of the literature unit. validity of the learning objectives. reliability of the test. validity of the grade.