psychological concepts and principles shape and determine our behavior. They influence how we interact with other people and how we perform in social situations. Psychological factors also play an important part in the workplace.

An actor practices maintenance rehearsal in order to memorize lines. Maintenance rehearsal is great for rote repetition of material that can be quickly forgotten. An actor probably won't need to remember their lines for longer than the specific film or stage production requires. But an actor might be prone to narcissism. Narcissism is a personality disorder characterized by an inflated sense of self-importance. Many actors, especially celebrities, can probably be quite self-absorbed. In fact, the narcissistic need for attention, success, and power goes hand-in-hand with the glamour of the profession.

A musician may also be narcissistic, but the work itself may demand other psychological principles. For example, timbre, or the unique quality of a given sound,...
[ View Full Essay]