Final answer:
The term for indirectly expressing anger in psychology is known as passive-aggression. It is considered a defense mechanism and is characterized by non-confrontational expressions of anger or displeasure. The correct option is A.
Step-by-step explanation:
In psychology, the term for indirectly expressing anger, such as giving someone the silent treatment instead of directly confronting them, is known as passive-aggression. This behavior is a way to express displeasure or anger towards someone without engaging in open conflict.
It falls under a wider category of behaviors known as defense mechanisms, which also include rationalization, displacement, and sublimation, among others. Passive-aggressive behaviors are often characterized by manifesting anger through inaction, subtle insults, and refusal to communicate directly about the conflict.