Mr. Kennedy, a middle-class Caucasian teacher, assigns lower grades when evaluating the work of two Native American students in his high-school physics class than he does for comparable work from other students. The most valid interpretation of Mr. Kennedy's behavior is that he appears to:_____________.
A) be conforming to conventional ethnic values.
B) be demonstrating a laissez-faire personality.
C) have a negative schema regarding Native Americans.D) mistrust people who are culturally inferior