What is the term for allowing one personality trait to influence perceptions of other traits?

The term for allowing one personality trait to influence perceptions of other traits is the Halo Effect. This concept occurs when an individual’s overall impression of a person, brand, or concept is positively influenced by a singular positive trait. For example, if someone is exceptionally charismatic, others may also perceive them as highly competent or intelligent, regardless of whether those traits are accurate.

This cognitive bias highlights how our perceptions can be skewed by an initial impression, showing that it's often easier to form a holistic view based on a single positive attribute. As a result, the presence of one appealing quality can overshadow other traits, which may not be as favorable, leading to an inaccurate assessment of the overall character or ability of the person being evaluated.