Deliberately choosing to reduce the number of social contacts in favor of familiar people who provide meaningful interactions is an example of theory of aging.

Socio-emotional selectivity theory

Explanation:

Socio-emotional selectivity theory is a lifespan theory of motivation. It maintains that as time horizons shrink, as they typically do with age, people become increasingly selective, investing greater resources in emotionally meaningful goals and activities. The

Socio-emotional selectivity theory was proposed by Carstensen and his colleagues, it simply refers to changes that happen across the lifespan. Such things as reducing the number of contacts you have, choosing to be with people that you perceive love you genuinely, choosing to give to charity instead if spending recklessly and so on can be examples of this theory.

From the question, Deliberately choosing to reduce the number of social contacts in favor of familiar people who provide meaningful interactions is an typical example of Socio-emotional theory.

a photo collage of women at work during world war 2