When Kumar was expelled from school for fighting, his parents told the principal that being aggressive has always been part of Kumar's personality, and that he is prone to aggression in just about any situation, whether provoked or not

. Psychologists would likely refer to this tendency as
A) altruism.
B) trait aggression.
C) biogenic aggression.
D) reactive aggression.

Answer: B
Rationale: Some individuals seem to be naturally prone to aggression in just about any situation, whether they are provoked or not. Psychologists refer to this tendency as trait aggression, because the hostility seems to be as much as a trait for these individuals as shyness or politeness is for others.