Which sort of representation is based on the principle that if two individuals are similar in background, character, interests, and perspectives, then one could correctly represent the other’s views?

Sociological representation

Explanation:

A social representation are shared values, thoughts, analogies, views,  and processes between several people or community members.

In social psychology and sociological social psychology,  theory of social representation is a body of principles.

Individuals choose a representative whose background is racially, spiritual,  cultural or educationally related to theirs.  

Since individuals with comparable upbringings appear to have comparable opinions,  the representative will behave in ways that fit their voters.

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intimacy, passion and commitment are the components of a interpersonal relationship emphasized in the triangular theory of love by robert sternberg.

the triangular theory of love says love can be comprehend as this componest form the vertices of a triangle.  

intimacy relates to feelings such as of closeness and connection;

passion relates the drives that brings people together, as physical attraction.

commitment relates to the being in a long-term relationship.