Illusory superiority is a cognitive bias where individuals overestimate their own qualities and abilities compared to others. This phenomenon often leads people to believe they are above average in various traits, such as intelligence, driving skills, or even moral behavior. It can result in a distorted self-perception and affect decision-making. This bias is commonly observed in social psychology and is linked to the Dunning-Kruger effect, where those with lower ability in a specific area may not recognize their lack of skill. Illusory superiority can impact personal relationships and workplace dynamics, as it may create unrealistic expectations and hinder collaboration.