Final answer:
Power imbalance is a psychological dynamic in which power, either real or perceived, is held by one party in a relationship, over another.
Step-by-step explanation:
Psychological dynamic in which power, either real or perceived, is held by one party in a relationship, over another is commonly referred to as power imbalance. It is a term used to describe situations where one person or group has more power and control than another. This power imbalance can occur in various relationships, such as romantic relationships, friendships, or even workplace dynamics.