Bias

Bias is the way humans interpret and evaluate the context and information about something according to how these are presented or how they perceive these through the lens of their values and beliefs. Bias can impair judgment and decision-making.

Systematic error in perception or judgement

Bias is defined as any tendency which prevents unprejudiced consideration of a question

A bias is a systematic deviation from what is believed to be rational choice
A cognitive bias is a systematic pattern of deviation from norm or rationality in judgment.

List of Cognitive Bias

Attentional Narrowing
Availability Heuristics
Gestalt Principles of Perception
Primacy Effect
Recency Effect
Self Serving Bias