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B2 verb #3,500 most common 14 min read

bias

Top 3,500

Practice it Examples Notes & Tips bias in 30 Seconds

Explanation bias in your Level:

At the A1 level, the word 'bias' as a verb is quite difficult and not usually taught. At this beginning stage, you are learning simple words like 'like', 'dislike', 'good', and 'bad'. However, you can think of 'bias' as a very strong way of saying that someone is not being fair. If you have two friends and you give a bigger piece of cake to one because you like them more, you are not being fair. 'Bias' is a big word for that action. It means you are making a choice that is not equal for everyone. You probably won't use this word in your first few months of learning English, but you might see it in the news. For now, just remember: bias = not fair. If a teacher likes one student more and gives them better grades, the teacher is biasing the results. It is a word about making things unequal because of your feelings.

At the A2 level, you are starting to talk about opinions and feelings. The verb 'bias' means to influence someone in a way that is not neutral. Imagine you are going to see a movie. Before you go, your friend says, 'That movie is terrible!' Now, when you watch the movie, you are already thinking it might be bad. Your friend has 'biased' you. They have changed your mind before you even had a chance to see the movie for yourself. In A2 English, we usually use simpler words like 'change someone's mind' or 'influence', but 'bias' is a more specific word for when that change is unfair or one-sided. You might hear it when people talk about the news or advertisements. Advertisements try to bias you so that you want to buy their product instead of another one.

At the B1 level, you should begin to understand that 'bias' as a verb is often used in professional or serious situations. It means to cause a person or a group to have a prejudice. For example, if a company only shows the good parts of their product and hides the bad parts, they are trying to bias the customers. In B1, you can use this word to describe unfair situations in school or work. You might say, 'The way the test was written biased the results against students who don't speak English well.' This shows you understand that 'bias' is an action that creates an unfair advantage or disadvantage. It is also important to notice that 'bias' is a regular verb (bias, biased, biased). You will often see it in the passive voice: 'The jury was biased by the news reports.'

At the B2 level, you are expected to use 'bias' (verb) with precision in academic and social contexts. You understand that it means to influence an outcome or a person's opinion in an unfair or unbalanced way. At this level, you should be able to use it with prepositions like 'against' or 'in favor of'. For instance, 'The media coverage clearly biased the public against the proposed law.' You also recognize the difference between the verb 'bias' and the adjective 'biased'. A B2 student knows that 'to bias a sample' in a scientific experiment means to select data in a way that makes the results inaccurate. You can use this word in essays to critique arguments, such as: 'The author's personal history may have biased their interpretation of the historical events.' It is a key word for discussing objectivity, fairness, and critical thinking.

At the C1 level, you should have a nuanced understanding of 'bias' as a verb, including its use in technical and abstract fields. You can discuss 'algorithmic bias' and how data sets can bias machine learning models. You understand that 'biasing' can be unintentional and systematic. In C1 discourse, you might use the verb to describe subtle psychological effects, such as how framing a question in a certain way can bias a respondent's answer (the 'framing effect'). You are also comfortable with the technical use of 'bias' in electronics or statistics. Your writing should reflect the understanding that 'biasing' is often a process that needs to be actively countered or 'de-biased'. You can use the word to analyze complex social structures, discussing how institutional practices can bias outcomes for different social groups over generations.

At the C2 level, you possess a masterly command of the verb 'bias', using it effortlessly in high-level academic, legal, and professional environments. You can use it to describe the most subtle forms of influence, such as how a specific philosophical framework might bias an entire field of inquiry. You are familiar with its etymological roots and how that informs its modern usage in diverse fields like telecommunications (biasing a transistor) and social psychology (cognitive biasing). You can articulate the ethical implications of biasing a process and propose sophisticated methods for mitigation. In your speech and writing, you use 'bias' to dissect the intersection of power, information, and perception, recognizing that the act of biasing is often central to the construction of social and scientific 'truths'.

Practice it Examples Notes & Tips

bias in 30 Seconds

To bias is an active verb meaning to unfairly influence a person's opinion or the outcome of a process, making it one-sided rather than neutral.
It is frequently used in legal, scientific, and journalistic contexts to describe the corruption of objectivity, often followed by 'against' or 'in favor of'.
Learners often confuse the verb 'bias' with the adjective 'biased'; remember that 'to bias' is the action, while 'biased' is the state of being influenced.
The word carries a negative connotation of unfairness and is a key term for discussing ethics, data integrity, and social justice in modern English.

To bias something is to influence a person, a group, an outcome, or a process in a way that is inherently unfair, unbalanced, or partial. Unlike the noun form which refers to the existence of a prejudice, the verb focuses on the active process of steering a result toward a specific conclusion. In professional contexts, such as scientific research or legal proceedings, to bias an outcome is often seen as a serious breach of ethics because it prevents an objective truth from emerging. People use this verb when they want to describe how external factors, intentional or unintentional, have corrupted the neutrality of a situation. For example, if a researcher designs a survey that only asks positive questions, they are actively biasing the results in favor of a positive conclusion. This word is essential in discussions about data integrity, social justice, and personal relationships because it highlights the dynamic way that preferences can distort reality.

Scientific Context: In laboratory settings, to bias a sample means to select participants in a way that does not represent the whole population, thereby ruining the experiment's validity.

The leading questions in the interview were clearly designed to bias the witness against the defendant.

In everyday conversation, the verb is often used to describe how one person's opinion might 'poison the well' for another. If you tell a friend that a movie is terrible before they watch it, you might bias their perception, making it harder for them to enjoy it objectively. This usage is common in social psychology, where the 'anchoring effect' acts to bias future judgments based on the first piece of information received. Furthermore, in the realm of technology, we frequently discuss how algorithms can bias hiring processes or credit scoring. If the training data contains historical inequities, the resulting AI will bias its decisions against certain demographics. This active distortion is the core of the verb's meaning. It is not just about having a feeling; it is about the feeling changing the world around it. When we talk about biasing a sample, biasing a jury, or biasing a report, we are talking about the destruction of fairness.

Legal Context: Attorneys argue that pretrial publicity can bias the jury pool, making it impossible for the accused to receive a fair trial based solely on evidence presented in court.

We must ensure that our personal feelings do not bias our professional evaluation of the candidates.

The verb 'bias' also appears in technical fields like electronics, where it refers to applying a steady voltage or current to a device to set its operating conditions. While this is a more specialized use, it shares the underlying concept of 'setting a direction' or 'creating a baseline' that influences how the system will behave. In social settings, the word carries a weight of responsibility. To bias someone is often seen as a manipulative act, even if done subconsciously. For example, parents might bias their children against certain career paths by only speaking highly of medicine or law. In this way, the verb captures the subtle and often invisible ways that human communication is rarely ever truly neutral. Understanding this verb helps us recognize that neutrality is a fragile state that requires constant protection from the 'biasing' influences of our environment, history, and emotions.

Media Influence: News outlets are often accused of using loaded language to bias their viewers toward a specific political ideology or candidate.

The company was careful not to bias the focus group by revealing the brand name too early.

Using 'bias' as a verb requires a clear understanding of the subject (the thing doing the influencing) and the object (the thing being influenced). It is most commonly found in the active voice when discussing the cause of an unfair outcome, and in the passive voice when describing the outcome itself. For instance, 'The judge's previous experience biased him' (active) vs. 'The judge was biased by his previous experience' (passive). When writing at a B2 level or higher, it is important to choose the right preposition; you bias someone against something or in favor of something. You do not just bias 'to' something. This distinction is crucial for conveying the direction of the unfair influence. For example, 'The media coverage biased the public against the new policy' clearly indicates a negative influence, whereas 'The teacher's praise biased the class in favor of the student' shows a positive but still unfair tilt.

Transitive Usage: The verb is transitive, meaning it must have a direct object. You cannot just 'bias' in general; you must bias a person, a result, or a perception.

The researcher was worried that her presence might bias the participants' natural reactions.

In professional writing, especially in the sciences, you will often see 'bias' used to describe the corruption of data. A common sentence pattern is: [Factor] + [bias] + [Data/Results]. For example, 'Incomplete data sets can bias the final statistical analysis.' Here, the verb highlights a mechanical or procedural error rather than a personal prejudice. Similarly, in business, you might say, 'We need to be careful that these incentives don't bias our sales team toward short-term gains at the expense of long-term stability.' This usage shows that the verb is not always about 'hating' or 'liking' something, but about creating an imbalance in a system. Another important aspect of using 'bias' is its relationship with the adjective 'biased'. Many learners mistakenly use the noun 'bias' when they mean the adjective 'biased' (e.g., 'He is bias' instead of 'He is biased'). However, when using the verb, you are describing the action of making someone biased.

Causal Relationships: Use 'bias' to explain why a result is wrong. 'The small sample size will bias the results toward outliers.'

Don't let your disappointment bias your view of the entire project.

Finally, consider the nuance of the verb in social contexts. It can be used as a warning or a request. 'I don't want to bias you, but...' is a common way to preface an opinion while acknowledging that your opinion might influence the listener's own judgment. This demonstrates a high level of self-awareness in English. In academic essays, you might use the verb to critique a source: 'The author's funding source may have biased their conclusions regarding the safety of the product.' This is a sophisticated way to suggest a conflict of interest without being overly aggressive. By mastering these patterns, you can use 'bias' to describe complex interactions in sociology, economics, and personal psychology with precision and clarity.

Phrasal Patterns: Commonly paired with 'unintentionally', 'subconsciously', or 'systematically' to describe the nature of the influence.

The algorithm was found to bias search results toward paid advertisers.

The verb 'bias' is a staple of intellectual and professional discourse. You will hear it frequently in university lecture halls, newsrooms, and corporate boardrooms. In the world of journalism, editors often discuss whether a particular headline or lead sentence will bias the reader before they even get to the facts. On news programs, political analysts debate whether certain polling methods bias the data in favor of one party or another. In these settings, the word is used to signal a concern for objectivity. If you listen to podcasts about science or technology, you will hear researchers talk about 'biasing the sample' or 'biasing the algorithm'. These speakers are concerned with the technical accuracy of their work and use the verb to describe a failure in the system's neutrality.

In the Workplace: HR managers often discuss 'unconscious bias' training, where the verb form is used to explain how hidden prejudices can bias hiring decisions without the manager even realizing it.

'I'm worried that knowing the candidate's age might bias our decision,' the manager noted.

In the legal system, the verb is central to the concept of a fair trial. During jury selection (voir dire), lawyers and judges work to ensure that no juror has a background or opinion that would bias them against the defendant. You might hear a judge say, 'The court must ensure that no evidence is introduced that would unfairly bias the jury.' This usage is formal and carries significant weight, as a 'biased' jury can lead to a mistrial. Furthermore, in the field of artificial intelligence and data science, 'to bias' is a technical term. Engineers discuss how to 'de-bias' a model, which means removing the factors that cause the model to produce unfair or skewed results. If you work in tech, you will hear this verb used almost daily in meetings about product ethics and data quality.

In Education: Teachers are trained to avoid biasing students with their own political or religious views, aiming instead to provide a balanced overview of different perspectives.

'We need to present the facts without trying to bias the students' opinions,' the principal explained.

Even in sports, you might hear fans or commentators suggest that a referee's hometown bias might bias their calls during a game. While often used colloquially here, the underlying meaning remains the same: an external factor is preventing a fair and neutral outcome. In literature and film criticism, reviewers might discuss how a director uses lighting or music to bias the audience in favor of a particular character, even if that character is doing something morally questionable. In all these contexts—from the courtroom to the cinema—the verb 'bias' is the tool we use to describe the subtle steering of the human mind and the systems we create. It is a word that demands accountability and encourages us to look deeper at the 'why' behind our conclusions.

In Statistics: Statisticians use 'bias' to describe a systematic error that makes an estimate consistently higher or lower than the true value.

The way the question is phrased will inevitably bias the survey results.

One of the most frequent errors learners make is confusing the noun 'bias' with the adjective 'biased'. You will often hear or see people say 'He is bias' or 'The report was bias.' This is grammatically incorrect. When you are describing a person or a thing that has a prejudice, you must use the past participle form: biased. The word 'bias' (without the -ed) is either the noun (e.g., 'He has a bias') or the base form of the verb (e.g., 'Do not bias the results'). To avoid this, remember that if you are using 'is', 'am', 'are', 'was', or 'were', you almost certainly need 'biased'. Another mistake is using 'bias' as if it were synonymous with 'persuade'. While they are related, 'persuade' usually involves logic or argument, whereas 'bias' implies an unfair or hidden influence that distorts the truth.

Noun vs. Adjective: Incorrect: 'The judge is bias.' Correct: 'The judge is biased.' Correct: 'The judge has a bias.'

It is a common mistake to say 'the test was bias' when you should say 'the test was biased'.

Another common error involves the misuse of prepositions. Many learners try to say 'bias to' or 'bias with'. The standard prepositions used with the verb 'bias' are against and in favor of. For example, 'The news biased the voters against the candidate.' Using the wrong preposition can make the sentence sound unnatural or even change the meaning. Additionally, some speakers use 'bias' when they actually mean 'influence' in a neutral or positive way. 'Bias' almost always carries a negative connotation of unfairness. If a teacher inspires a student to love history, they have 'influenced' or 'inspired' them, not 'biased' them. Only use 'bias' if the influence is creating an imbalance that shouldn't be there.

Confusing with 'Prejudice': While 'prejudice' is often a noun, 'bias' is frequently used as a verb. You can 'bias a jury', but you rarely 'prejudice a jury' in common modern English (though it is legally possible).

Don't say 'The coach biased me to play better'; say 'The coach motivated me to play better.'

Spelling is another area where mistakes happen, particularly between American and British English. American English uses 'biased' and 'biasing', while British English traditionally allows for 'biassed' and 'biassing'. While both are correct in their respective regions, consistency is key. If you are writing for an American audience, avoid the double 's'. Finally, be careful with the word 'unbiased'. It is an adjective meaning neutral. You cannot 'unbias' something easily as a verb (the verb is usually 'de-bias'). Understanding these distinctions—especially the noun/adjective/verb forms—is the hallmark of a B2/C1 level speaker. By paying attention to the -ed ending and the prepositions that follow, you will avoid the most common pitfalls associated with this word.

Overuse: Avoid using 'bias' for every type of influence. If the influence is fair or logical, use words like 'convince', 'persuade', or 'affect'.

Incorrect: 'The sunny weather biased me to go for a walk.' Correct: 'The sunny weather encouraged me to go for a walk.'

To truly master the verb 'bias', it is helpful to compare it to its synonyms and near-synonyms. Each word carries a slightly different shade of meaning. Sway is a common alternative, often used when someone's opinion is being moved by emotion or rhetoric (e.g., 'The speaker's passion swayed the crowd'). Unlike 'bias', 'sway' doesn't always imply unfairness; it just implies movement. Influence is the most neutral and broad term. You can influence someone for better or worse, and it can be done through logic, power, or example. 'Bias' is a specific type of influence that is unfair. Slant is often used in journalism to describe how a story is told from a specific, often unfair, angle (e.g., 'The article was slanted to favor the government').

Bias vs. Sway: 'Bias' implies a systematic or unfair tilt, while 'sway' suggests a more fluid change of mind or heart.

While a good argument might sway you, a personal grudge will bias you.

Another interesting alternative is Color. When used as a verb in this sense, it means to influence someone's perception in a way that is not entirely objective (e.g., 'Her past failures colored her view of the new opportunity'). This is very similar to 'bias', but 'color' is often more about personal experience and emotion rather than systematic unfairness. Prejudice (as a verb) is less common today but means to cause someone to have a preconceived opinion. In legal contexts, you might hear about 'prejudicing a case'. Distort is another powerful alternative, especially when talking about data or facts. To distort the truth is to change it so it is no longer accurate, which is often the result of biasing a process.

Bias vs. Distort: 'Bias' is the cause (the influence), while 'distort' is often the effect (the resulting inaccuracy).

The faulty sensor will bias the readings and distort the final report.

In more informal settings, you might use Tilt or Tip the scales. To 'tip the scales in someone's favor' is a common idiom that means to bias a situation so that one person has an advantage. This is a great phrase to use in speaking exams to show a higher level of idiomatic range. Conversely, if you want to describe the removal of bias, you can use Neutralize or Balance. Understanding these alternatives allows you to avoid repeating the word 'bias' too often in your writing and helps you choose the word that fits the specific context—whether it's a scientific paper, a news report, or a personal story about how someone changed your mind.

Comparison Table

Influence: General, neutral.
Bias: Unfair, systematic.
Sway: Emotional, changing mind.
Slant: Perspective-based, journalistic.

We must not let one bad experience color our judgment of the whole group.

How Formal Is It?

Formal

Neutral

Informal

Child friendly

Slang

Fun Fact

Because 'bias' originally referred to the physical curve of a bowling ball, the transition to 'mental leaning' or 'prejudice' was a very natural metaphor that appeared in English literature by the late 1500s.

Pronunciation Guide

UK /ˈbaɪ.əs/

US /ˈbaɪ.əs/

The primary stress is on the first syllable: BI-as.

Rhymes With

pious liars (near rhyme) flyers (near rhyme) denias (near rhyme) hiatus (distant rhyme) minus (distant rhyme) science (distant rhyme) alliance (distant rhyme)

Common Errors

Pronouncing the 'i' as a short 'i' (like in 'bit'). It should be a long 'i' (like in 'kite').
Adding an 'ed' sound when using it as a base verb (e.g., 'Do not biased the results').
Stress on the second syllable (bi-AS), which is incorrect.
Confusing the pronunciation with 'base'.
Pronouncing the 'a' too clearly; it should be a neutral schwa sound.

Difficulty Rating

Reading 4/5

The word often appears in complex academic or legal texts.

Writing 5/5

Requires careful use of prepositions and distinguishing between the noun and adjective forms.

Speaking 4/5

Useful for high-level debates but requires correct pronunciation of the 'i'.

Listening 3/5

Usually clear in context, but can be confused with 'pious' or 'base' if not careful.

What to Learn Next

Prerequisites

fair unfair influence opinion result

Learn Next

prejudice objective subjective distort neutral

Advanced

epistemology heuristics mitigation arbitration skewness

Grammar to Know

Transitive Verbs

You must 'bias something'. Correct: 'The news biased the voters.' Incorrect: 'The news biased.'

Passive Voice with 'By'

The results were biased by the small sample size.

Prepositional Phrases

Always use 'against' or 'in favor of' to show the direction of the bias.

Gerunds as Subjects

Biasing the witness is a serious legal offense.

Regular Verb Conjugation

I bias, he biases, they biased, we are biasing.

Examples by Level

Do not bias the children.

Ne biaisez pas les enfants.

Imperative form of the verb.

They bias the game.

Ils biaisent le jeu.

Present simple tense.

Did he bias you?

T'a-t-il biaisé ?

Question form using 'did'.

I will not bias her.

Je ne vais pas la biaiser.

Future tense with 'will not'.

Please do not bias the results.

S'il vous plaît, ne biaisez pas les résultats.

Polite request using 'please'.

The news can bias people.

Les nouvelles peuvent biaiser les gens.

Modal verb 'can' + base verb.

She wants to bias the vote.

Elle veut biaiser le vote.

Infinitive 'to bias' after 'wants'.

Don't bias your friend.

Ne biaise pas ton ami.

Negative imperative.

The teacher tried not to bias the students.

L'enseignant a essayé de ne pas biaiser les élèves.

Past simple of 'try' + negative infinitive.

Her story might bias your opinion.

Son histoire pourrait biaiser votre opinion.

Modal verb 'might' for possibility.

Will this information bias the jury?

Cette information va-t-elle biaiser le jury ?

Future question.

They are trying to bias the public.

Ils essaient de biaiser le public.

Present continuous tense.

I don't want to bias your choice.

Je ne veux pas biaiser ton choix.

Negative 'want to' + infinitive.

The report was written to bias the readers.

Le rapport a été écrit pour biaiser les lecteurs.

Passive voice 'was written'.

Does social media bias our views?

Les médias sociaux biaisent-ils nos points de vue ?

Present simple question.

He biased the results by mistake.

Il a biaisé les résultats par erreur.

Past simple tense.

The researchers were careful not to bias the sample.

Les chercheurs ont fait attention à ne pas biaiser l'échantillon.

Adjective 'careful' followed by negative infinitive.

The media often biases the public against certain groups.

Les médias biaisent souvent le public contre certains groupes.

Present simple with frequency adverb 'often'.

Knowing the price might bias your evaluation of the quality.

Connaître le prix pourrait biaiser votre évaluation de la qualité.

Gerund 'Knowing' as the subject.

The judge warned the lawyer not to bias the witness.

Le juge a averti l'avocat de ne pas biaiser le témoin.

Verb 'warn' + object + negative infinitive.

We must ensure that our own experiences don't bias our judgment.

Nous devons nous assurer que nos propres expériences ne biaisent pas notre jugement.

Modal verb 'must' + 'ensure' clause.

The survey questions were designed to bias the answers.

Les questions du sondage ont été conçues pour biaiser les réponses.

Passive voice 'were designed'.

His comments were intended to bias the committee's decision.

Ses commentaires étaient destinés à biaiser la décision du comité.

Passive voice with 'intended'.

Can a bad first impression bias you for a long time?

Une mauvaise première impression peut-elle vous biaiser pendant longtemps ?

Modal question.

Leading questions can easily bias a respondent's answers in a survey.

Des questions suggestives peuvent facilement biaiser les réponses d'un répondant dans un sondage.

Adverb 'easily' modifying the verb 'bias'.

The experimental design was flawed, which served to bias the final data.

La conception expérimentale était défectueuse, ce qui a servi à biaiser les données finales.

Relative clause starting with 'which'.

The defense attorney argued that the pretrial publicity would bias the jury.

L'avocat de la défense a soutenu que la publicité avant le procès biaiserait le jury.

Reported speech with 'would'.

We must be vigilant so that personal friendships do not bias hiring decisions.

Nous devons être vigilants pour que les amitiés personnelles ne biaisent pas les décisions d'embauche.

Subjunctive-like 'so that' clause.

The company was accused of trying to bias the market in its favor.

L'entreprise a été accusée d'avoir tenté de biaiser le marché en sa faveur.

Passive voice 'was accused of' + gerund.

Providing only one side of the story will inevitably bias the audience.

Fournir un seul côté de l'histoire va inévitablement biaiser le public.

Gerund subject + future tense.

The algorithm was found to bias results toward high-income users.

L'algorithme s'est avéré biaiser les résultats en faveur des utilisateurs à revenus élevés.

Passive voice 'was found to'.

It is difficult to conduct research without some factor biasing the outcome.

Il est difficile de mener des recherches sans qu'un facteur ne biaise le résultat.

Gerund phrase 'biasing the outcome'.

The inherent flaws in the sampling method significantly biased the study's conclusions.

Les défauts inhérents à la méthode d'échantillonnage ont considérablement biaisé les conclusions de l'étude.

Past simple with strong adverb 'significantly'.

Philosophical assumptions can subconsciously bias a scientist's interpretation of raw data.

Les suppositions philosophiques peuvent biaiser inconsciemment l'interprétation des données brutes par un scientifique.

Adverb 'subconsciously' placed before the verb.

The moderator's tone was subtle, yet it was enough to bias the panel discussion.

Le ton du modérateur était subtil, mais il était suffisant pour biaiser la discussion du panel.

Conjunction 'yet' connecting two clauses.

The historical narrative has been biased by the perspectives of the victors.

Le récit historique a été biaisé par les perspectives des vainqueurs.

Present perfect passive.

Engineers are working on techniques to de-bias the data used to train AI models.

Les ingénieurs travaillent sur des techniques pour débiaiser les données utilisées pour entraîner les modèles d'IA.

Infinitive 'to de-bias' (related verb).

The way we frame global issues can bias the international community's response.

La façon dont nous cadrons les problèmes mondiaux peut biaiser la réponse de la communauté internationale.

Complex subject 'The way we frame global issues'.

Cultural norms often bias our perception of what constitutes 'normal' behavior.

Les normes culturelles biaisent souvent notre perception de ce qui constitue un comportement 'normal'.

Noun clause 'what constitutes...' as object.

The witness's testimony was excluded because it was likely to bias the jury unfairly.

Le témoignage du témoin a été exclu car il était susceptible de biaiser injustement le jury.

Adjective 'likely' + infinitive.

The researcher acknowledged that their proximity to the subject might have biased the ethnographic study.

Le chercheur a reconnu que sa proximité avec le sujet aurait pu biaiser l'étude ethnographique.

Perfect modal 'might have biased'.

Structural inequities continue to bias the distribution of resources within the urban center.

Les inégalités structurelles continuent de biaiser la répartition des ressources au sein du centre urbain.

Present simple describing a systemic state.

The subtle use of lighting in the film is designed to bias the viewer's empathy toward the protagonist.

L'utilisation subtile de l'éclairage dans le film est conçue pour biaiser l'empathie du spectateur envers le protagoniste.

Passive 'is designed to' + infinitive.

Epistemological biases can bias the very questions that researchers choose to ask.

Les biais épistémologiques peuvent biaiser les questions mêmes que les chercheurs choisissent de poser.

Using the noun 'bias' and verb 'bias' in the same sentence.

The central bank's policy was criticized for biasing the economy toward the financial sector.

La politique de la banque centrale a été critiquée pour avoir biaisé l'économie en faveur du secteur financier.

Gerund 'biasing' after preposition 'for'.

Cognitive heuristics, while efficient, often bias our decision-making in predictable ways.

Les heuristiques cognitives, bien qu'efficaces, biaisent souvent notre prise de décision de manière prévisible.

Parenthetical phrase 'while efficient'.

The treaty was carefully drafted to ensure that no single nation could bias the arbitration process.

Le traité a été soigneusement rédigé pour garantir qu'aucune nation ne puisse biaiser le processus d'arbitrage.

Negative subject 'no single nation' with 'could'.

Such a narrow definition of success will inevitably bias the outcome of the educational reform.

Une définition aussi étroite du succès biaisera inévitablement le résultat de la réforme éducative.

Future tense with 'inevitably'.

Synonyms

influence prejudice sway slant distort color

Antonyms

neutralize balance equilibrate

Common Collocations

bias the results

bias the jury

bias the public

bias the sample

bias the outcome

subconsciously bias

systematically bias

bias in favor of

bias against

unintentionally bias

Common Phrases

don't let it bias you

— A warning not to let a piece of information influence your judgment unfairly.

I heard a rumor about him, but don't let it bias you before you meet him.

bias the scales

— To make a situation unfair by favoring one side.

The government's intervention biased the scales in favor of large corporations.

bias the data

— To influence scientific or statistical information so it is no longer accurate.

Excluding negative results will seriously bias the data of the clinical trial.

bias the narrative

— To tell a story in a way that forces a specific, often unfair, interpretation.

The documentary was criticized for trying to bias the narrative against the scientists.

bias the witness

— To influence what a person says in court or during an investigation.

The police were accused of using leading questions to bias the witness.

bias the selection

— To make the choosing process unfair.

Having a family member on the board might bias the selection of the new CEO.

bias the market

— To influence economic conditions in an unfair way.

Monopolies can bias the market, making it impossible for small businesses to survive.

bias the perception

— To change how someone sees or understands something.

The beautiful packaging is intended to bias the perception of the product's quality.

bias the vote

— To influence the outcome of an election unfairly.

The misinformation campaign was an attempt to bias the vote in the rural areas.

bias the interpretation

— To cause someone to understand a text or event in a one-sided way.

The translator's personal beliefs can sometimes bias the interpretation of the poem.

Often Confused With

bias vs prejudice

'Prejudice' is mostly a noun or an adjective (prejudiced). As a verb, it is rare and very formal. 'Bias' is much more common as a verb.

bias vs influence

'Influence' is neutral. You can influence someone for good. 'Bias' is almost always negative or implies unfairness.

bias vs base

A common pronunciation or spelling error for beginners, but the meanings are completely unrelated.

Idioms & Expressions

"tip the scales"

— To change the balance of a situation, often in an unfair or biasing way.

His endorsement was enough to tip the scales in her favor.

idiomatic

"poison the well"

— To provide negative information about someone beforehand to bias others against them.

By calling him a liar before he spoke, she poisoned the well and biased the audience.

idiomatic/informal

"stack the deck"

— To arrange things unfairly to ensure a specific outcome, effectively biasing the process.

The committee stacked the deck by only inviting speakers who agreed with them.

idiomatic

"thumb on the scale"

— An act of biasing a result or situation through small, often hidden, influences.

The regulator was accused of having his thumb on the scale during the bidding process.

idiomatic

"play favorites"

— To bias one's actions or decisions in favor of a preferred person.

The teacher was careful not to play favorites and bias the grading process.

informal

"load the dice"

— To make an outcome virtually certain through unfair biasing of the conditions.

The new legislation loads the dice in favor of the wealthy.

idiomatic

"color one's judgment"

— To bias someone's ability to think objectively.

Don't let your anger color your judgment of his apology.

neutral

"skew the results"

— To cause the results of something to be biased or inaccurate.

The outliers in the data will skew the results if they are not removed.

academic/neutral

"take sides"

— To choose to support one person or group in an argument, which biases the outcome.

As a mediator, you must not take sides or you will bias the negotiation.

neutral

"weighted in favor of"

— A situation that is systematically biased toward a particular group.

The tax code is heavily weighted in favor of property owners.

formal

Easily Confused

bias vs biased

It is the adjective form of the word.

Use 'bias' for the action (verb) and 'biased' for the description (adjective).

He is biased (adjective). Don't bias him (verb).

bias vs sway

Both mean to influence an opinion.

'Sway' is more about the movement of opinion; 'bias' is about the unfairness of that movement.

The music swayed the crowd. The news biased the jury.

bias vs slant

Both mean to show a preference.

'Slant' is often used for how a story is written; 'bias' is used for the effect on the person or result.

The article was slanted. The article biased the readers.

bias vs distort

Both involve changing the truth.

To 'distort' is to change the shape or facts; to 'bias' is to influence the direction of judgment.

The mirror distorted her face. The rumor biased her friends.

bias vs prejudice

They are near-synonyms.

In modern English, 'bias' is the preferred verb for systematic or procedural unfairness.

We must not bias the selection process.

Sentence Patterns

[Subject] + bias + [Object] + against + [Noun]

The rumor biased the manager against the new employee.

[Subject] + bias + [Object] + in favor of + [Noun]

The coach's history biased him in favor of the older players.

[Gerund Phrase] + served to + bias + [Object]

Providing only partial information served to bias the committee's final decision.

[Noun] + was/were + biased by + [Noun]

The experimental results were biased by an equipment malfunction.

It is argued that [Subject] + may have + biased + [Object]

It is argued that the author's colonial background may have biased his portrayal of the indigenous tribes.

Don't let [Noun] + bias + [Object]

Don't let your first impression bias your opinion of the book.

[Subject] + can + subconsciously + bias + [Object]

Visual cues can subconsciously bias our preference for certain products.

The goal is to not + bias + [Object]

The goal is to not bias the jury before the trial begins.

Word Family

Nouns

Verbs

Adjectives

How to Use It

frequency

Common in professional, academic, and media contexts; less common in casual everyday speech compared to 'influence'.

Common Mistakes

The judge is bias. → The judge is biased.
You need the adjective form (-ed) to describe a person's state.
The news biased the voters to the candidate. → The news biased the voters in favor of the candidate.
The correct prepositional phrase is 'in favor of'.
I don't want to biased you. → I don't want to bias you.
After 'to', you must use the base form of the verb.
The results were bias by the error. → The results were biased by the error.
In the passive voice, you must use the past participle 'biased'.
He biased me to go to the party. → He persuaded me to go to the party.
Bias implies unfairness; for general influence or persuasion, use 'persuade'.

Tips

Verb vs. Adjective

Never say 'The test was bias.' Always use the adjective form: 'The test was biased.'

Preposition Choice

Use 'against' for negative bias and 'in favor of' for positive bias.

Research Integrity

In science, 'biasing' the data is a serious error that can invalidate your entire work.

Avoid Manipulation

To bias someone is often seen as manipulative. Use the word carefully in personal relationships.

US vs UK

US: biased, biasing. UK: biassed, biassing. Both are correct, but stay consistent.

The 'I' Sound

Remember the 'i' in bias sounds like the word 'eye'.

Use with Adverbs

Words like 'significantly', 'potentially', and 'subconsciously' pair perfectly with the verb 'bias'.

Jury Selection

In law, the goal is to prevent anything from 'biasing' the jury's decision.

AI Bias

When discussing AI, 'to bias' refers to the training data creating unfair outcomes.

The Slant

Think of a 'bias' as a 'slant'. To bias something is to push it down a slant.

Memorize It

Mnemonic

Think of a 'BYE-us'. When you bias a situation, you say 'BYE' to fairness and 'BYE' to 'US' (the group) being treated equally.

Visual Association

Imagine a bowling ball that isn't perfectly round, but has a weight on one side. Every time you roll it, it curves to the left. That weight is 'biasing' the ball's path.

Word Web

Fairness Prejudice Influence Data Jury Unfair Slant Neutral

Challenge

Try to use the verb 'bias' in three different contexts today: once about the news, once about a personal opinion, and once about a scientific study.

Word Origin

The word 'bias' comes from the Middle French word 'biais', meaning 'sideways', 'slope', or 'slant'. It originally referred to a line that runs diagonally across the weave of a fabric. In the 16th century, it was used in the game of bowls to describe a ball that was weighted on one side, causing it to curve when rolled.

Original meaning: A physical slant or a diagonal direction.

Indo-European (via Old French and perhaps Vulgar Latin).

Cultural Context

Be careful when accusing someone of 'biasing' a situation, as it implies they are being unfair or manipulative.

High emphasis on 'unbiased' news and 'unbiased' juries as foundations of democracy.

The concept of 'Cognitive Bias' in Daniel Kahneman's book 'Thinking, Fast and Slow'. Legal dramas like '12 Angry Men' which revolve around the attempt to not bias a verdict. Discussions on 'Algorithmic Bias' in documentaries like 'Coded Bias'.

Practice in Real Life

Real-World Contexts

Legal Proceedings

bias the jury
prejudicial evidence
impartial judgment
bias the witness

Scientific Research

bias the sample
systematic error
control for bias
bias the findings

Journalism and Media

media bias
bias the reader
slant the story
unbiased reporting

Human Resources

unconscious bias
bias the hiring process
fair evaluation
de-biasing techniques

Artificial Intelligence

algorithmic bias
bias the training data
machine learning fairness
detecting bias

Conversation Starters

"Do you think social media algorithms tend to bias our political opinions over time?"

"How can a teacher avoid biasing their students when discussing controversial historical topics?"

"In your opinion, does knowing a person's background bias how we judge their professional abilities?"

"Have you ever felt that a news report was trying to bias you against a specific country or culture?"

"What steps can scientists take to ensure that their personal beliefs do not bias their research results?"

Journal Prompts

Reflect on a time when someone's opinion biased you before you had a chance to form your own. How did it change your experience?

Write about a situation in your workplace or school where a process seemed to bias one group over another. What could be done to fix it?

How do you try to remain neutral when two friends are having an argument? Does one friend ever try to bias you against the other?

Do you think it is possible for a human being to ever be completely unbiased, or does our history always bias our perception?

Discuss the ethical implications of using AI systems that might bias the distribution of loans or jobs.

Frequently Asked Questions

10 questions

It is both! As a noun, it means a prejudice (e.g., 'He has a bias'). As a verb, it means to influence unfairly (e.g., 'Don't bias the results').

You should always say 'He is biased'. 'Biased' is the adjective form used to describe a person.

The past tense is 'biased' (American English) or 'biassed' (British English).

Rarely. In electronics, it is neutral. In social contexts, it almost always implies something unfair or one-sided.

It means to choose participants for a study in a way that doesn't represent the whole group, making the results wrong.

You can say: 'The leading questions were designed to bias the witness against the suspect.'

'Bias against' means to influence someone to dislike something. 'Bias in favor of' means to influence someone to like something unfairly.

Yes, it is the present participle of the verb 'bias', especially common in British English spelling.

It is a noun phrase referring to prejudices we have that we are not aware of, which can bias our decisions.

Only if the influence is unfair. If you are helping someone or teaching them something good, use 'influence' or 'encourage'.