The concept that people gradually come to accept and adopt as their own that evaluation, definitions, and judgment of themselves that they see reflected in the faces, words, and gestures of those around

looking-glass self

Explanation:

Looking-glass self is the social psychological concept which was created by the psychologist, Charles Horton Cooley. The concept states that the self growth of the person come out of the interpersonal interactions of the society and also perceptions of the others.

It is reflection of how an individual think he/she appear to the others.

Hence, the answer is - looking-glass self

answer; criterion validity