When Her Professor Failed to Recognize That Judy Had Her

Multiple Choice

When her professor failed to recognize that Judy had her hand raised for a question,Judy began to think her professor was unfriendly. Although she subsequently learned that the professor's limited vision kept him from seeing her raised hand,she continued thinking the professor was unfriendly. Judy's reaction best illustrates

A) the framing effect.
B) belief perseverance.
C) confirmation bias.
D) category hierarchies.