 The halo effect is what forms patterns for individuals, the halo effect being classified as a cognitive bias which occurs during impression formation.The halo effect can also be altered by physical characteristics, social status and many other characteristics.As well, the halo effect can have real repercussions on the individual's perception of reality, either negatively or positively, meaning to construct negative or positive images about other individuals or situations, something that could lead to self-fulfilling prophesies, stereotyping, or even discrimination.