Final answer:
According to the frustration-aggression hypothesis, people are more likely to aggress when their goals are blocked. This theory suggests that frustration can lead to aggression.
Step-by-step explanation:
According to the frustration-aggression hypothesis, people are more likely to aggress when their goals are blocked. This theory suggests that when individuals are prevented from achieving an important goal, they become frustrated and this frustration can lead to aggression. For example, if someone is trying to win a game but keeps losing, they may become frustrated and lash out in aggression. The frustration-aggression hypothesis highlights the relationship between goal obstruction and aggression.