Primacy and Recency Effects
The tendency for a perceiver to rely on early cues or first impressions.
The tendency for a perceiver to rely on recent cues or last impressions.

Projection
The tendency to attribute one's own thoughts and feelings to others.

Stereotyping
It is the tendency to generalize about people in a social category and ignore variations among them.

Halo effect
The halo effect occurs when a person allows one important or noticeable characteristic of another person to bias the evaluation, perception, or impression of that person.

Fundamental Attribution Error
When judging the behavior of people other than ourselves, we tend to overemphasize dispositional explanations for behavior at the expense of situational explanations.