Jeff has been extremely aggressive since childhood. he pursues a career in boxing, which provides a socially acceptable channel to express his aggression. this scenario best illustrates the defense mechanism called:

This scenario best illustrates the defense mechanism called sublimation.

Explanation:

Sublimation is replacing socially unacceptable impulses with socially acceptable behavior. For instance, Jeff is channeling aggressive drives into practicing boxing. Thus, sport is an example of putting our emotions (e.g. aggression) into something constructive.

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