Punjit works at a button-sorting factory. He feels bad that he can sort only twenty buttons a minute, when the average worker can sort thirty. To feel better about himself, Punjit compares his performance with Brant, who can sort only ten buttons a minute. This is an example of

A. downward social comparison.
B. unrealistic optimism.
C. the actor-observer effect.
D. the fundamental attribution error.

Answer: A