Shortly after alex learned that he had failed to make the high school football team, he vandalized the team's locker room and broke several classroom windows. his behavior is best explained in terms of:

The frustration-aggression principle.

Explanation:

The Frustration-Aggression theory is theorized by a group of psychologists from Yale University that includes: Leonard Doob, John Dollard, O. H. Mower, Neal Miller, and Robert Sears in 1939.

According to this theory, aggression in people is evoked due to the frustration of goals.

Frustration can be defined as the feeling of tension that is evoked due to the failure to achieve a goal. And this frustration of goal than turns into aggressive behavior.

In the given case, Alex who had failed to be a part of the high school football team (goal) lead him to frustration of goal which turned his behavior aggressive that he broke classroom windows and vandalized the team's locker room.

So, the correct answer is "frustration-aggression theory".

where is your diagram?