Andre first became suspicious of his roommate's honesty while trying to account for his own missing wallet. Although Andre later recalled that he had left his wallet in the glove compartment of his own car, his newly formed doubt about his roommate's honesty remained as strong as ever. Andre's irrational suspicion of his roommate best illustrates:.
a) Confirmation bias
b) belief perseverance
c) representativeness heuristic
d) framing effect

b) belief perseverance

Explanation:

Based on the scenario being describe it can be said that Andre's irrational suspicion of his roommate best illustrates belief perseverance. This term refers to a phenomenon in which individuals tend to cling deeply to their beliefs and hold them to be true regardless of how much evidence exists that disproves or discredits that belief. Such as Andre's suspicion since remembering that he left his wallet in the car would normally get rid of this suspicion, instead Andre clung to his suspicion of his roommate even harder.