Answer:
The feeling of oneness in varieties is known as unity in diversity.
The answer to this question is the "Spotlight Effect". Hence, when a friend is giving a speech and she is worried because he just got an unflattering haircut. She has on his mind that everyone will look and stare at her bangs and will discuss her looks, an attractive hair. Her overestimation of the people's reaction is known as the spotlight effect.
A ven diagram lets you visualize the similarities of two organisms. This effects can be done with a research paper because we as human beings have a stronger photographic memory then a our semantic memory( physiology aswell )