Bullying is one of such acts that take place among school students, the young boy uses displacement by going home and aggressively beats on his punching bag.
Defense mechanisms are behaviors or actions by people that they use to separate themselves from unpleasant situations or happenings.
Displacement as a defense mechanism allows direct emotions and frustrations on someone else or an object.
Therefore, the young boy uses the displacement defense mechanism by going home and aggressively beats on his punching bag.
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