bias
n. C / Un. a strong feeling for or against one person, group, or idea that is not based on fair judgment. You have a bias when you let your personal opinions influence a decision instead of looking at the facts.
n. a prejudice in favour of or against one thing, person, or group compared with another, usually in a way considered to be unfair. In research and statistics, it refers to a systematic error that results in an incorrect estimate of a parameter.
The judge showed a clear bias toward the defendant.
The news report was criticized for its political bias because it only interviewed people from one side of the debate.
Researchers must implement double-blind protocols to eliminate observer bias, ensuring that their personal expectations do not inadvertently influence the recording of experimental data.
Often used with the prepositions 'towards', 'against', or 'in favour of'.
He is very biasHe is very biasedLearners often use the noun 'bias' when they need the adjective 'biased' to describe a person's character or attitude.