The extent to which the first information we receive about someone influences our impression of that person more than later information is called _______.

A) the phi phenomenon.
B) the halo effect.
C) attribution theory.
D) the primacy effect.

The primacy effect is the tendency for the first information we receive about someone to have a greater impact on our impression of them compared to later information. The other options are not related to this concept. The phi phenomenon refers to the perception of movement created by a rapid succession of images. The halo effect is a cognitive bias in which our overall impression of a person influences our perception of their specific traits. Attribution theory is a framework for understanding how we make judgments about the causes of others' behavior.