Physical or verbal behavior intended to hurt someone. In laboratory experiments, this might mean delivering electric shocks or saying something likely to hurt another's feelings.
empathy
The vicarious experience of another's feelings; putting oneself in another's shoes.
gender
In psychology, the characteristics, whether biological or socially influenced, by which people define male and female.
gender role
A set of behavior expectations (norms) for males and females.
interaction
The effect of one factor (such as biology) depends on another factor (such as environment).