Eduardo Is Wearing a Silly Gorilla Suit at a Costume

Multiple Choice

Eduardo is wearing a silly gorilla suit at a costume party. Although he is normally responsible and respectful, Eduardo joins in when the party starts getting wild. After the police break up the gathering, he apologetically tells them that he "forgot himself." What phenomenon does this illustrate?

A) the just-world hypothesis
B) diffusion of responsibility
C) deindividuation
D) groupthink