Mark is angry when his teacher blames him for misbehaving when it actually was the child behind him who had been acting up. As he leaves after school, he shoves another boy who gets in his way. Freud would say that Mark is unconsciously using the defence mechanism of:

Question

Quizplus · Accepted Answer

Displacement is a defense mechanism in which the person redirects their feelings of anger or frustration from one source onto another, less threatening target. Mark's anger towards his teacher for blaming him is displaced onto the boy who gets in his way, causing him to shove him.

Mark Is Angry When His Teacher Blames Him for Misbehaving