In psychology, a first impression is the event when one person first encounters another person and forms a mental image of that person. Impression accuracy varies depending on the observer and the target being observed.

What is meant by first impressions?

one's initial perception of another person, typically involving a positive or negative evaluation as well as a sense of physical and psychological characteristics.

What is in a first impression?

First impressions are based on a wide range of characteristics: age, race, culture, language, gender, physical appearance, accent, posture, voice, number of people present, economic status, and time allowed to process.