Joe takes on his sister's view that all people from "up north" are snobs. Later, Joe learns that his sister's opinion was based on the fact that her boyfriend from "up north" recently dumped her. Yet Joe persists in his belief that people from "up north" are snobby. This best illustrates the ____ effect
a. theory perseverance
b. availability heuristic
c. false consensus
d. false uniqueness
A
Psychology