Confirmation bias happens when people look for information or situations that support their preconceived thoughts or ideas.
Halo effect. This involves the way you think or feel about a person being shaped by one characteristic.
Conformity bias occurs when our opinions are affected and changed by the opinions of other people.
The anchoring effect is a psychological phenomenon in which an individual's judgements or decisions are influenced by a reference point or "anchor" which can be completely irrelevant.