8 junio, 2024

30 Examples of Bias

What are prejudices?

The prejudices They are opinions of a negative nature that are formed towards a person, community of people, object or event determined from preconceived ideas, stereotypes and preferences.

It is said that someone has prejudices when they judge previously or in advance of someone or something without having had contact before or without having any knowledge. An example of social prejudice is thinking that all gypsies are criminals.

The etymological origin of the term prejudice comes from the Latin praeiudicium, which translates as «judged in advance». Therefore, prejudices are considered a kind of distortion of what is judged, that there is really no knowledge about the person/group/thing in question.

Prejudices are part of all societies, since they are born from the traditions, norms, beliefs and customs that they have. Its consequences fall especially on the person or group about which there are widespread prejudices in a society. Prejudices can be social, religious, sexual, racial, political, professional, among others.

Types of prejudices and examples

The following are some examples of the most common prejudices:

appearance bias

Appearance prejudice is one that criticizes or rejects the physical appearance of a person because it is thought or believed that it breaks the established social norms. These types of assessments are common in conservative individuals and communities.


Many people assume that people of color and tall individuals are good at basketball.
To think that all the people who get tattoos are criminals and drug addicts.

gender bias

Gender bias having an opinion about the capabilities of the female or male gender. Prejudices of this kind take away the possibility of equality.


Believing that men should always show themselves to be strong, because crying or showing sensitivity makes them weak.
Believing that women are more sentimental than men.

racial prejudice

This type of prejudice is oriented to have ideas or opinions about a person or community according to their physical characteristics or skin color. From there arise beliefs about their psychological, cultural and emotional traits.


To think that Europeans are more intellectual than people of other races.

Origin bias

The prejudice of origin is one in which a group of people is rejected, criticized or left aside because they were born in a certain country or because they belong to a specific region. In general, this type of opinion considers that there are better or superior nationalities than others.


A prejudice towards Italians is that they are gangsters.
To think that all Muslims or people born in Arab countries are terrorists and violent.

sexual bias

This variety of prejudice is based on ideas or opinions held about the sexual condition of an individual or group of people, as well as their behavior and performance within society. Sexual bias focuses on comparing the behaviors, decisions, and abilities of homosexuals with those of heterosexuals.


To think or believe that homosexuals are people with a psychological condition and that their condition is a disease.

class bias

A class prejudice is one in which an individual or community is conditioned for belonging to a certain social stratum. Thoughts and opinions focus on people’s moral and ethical attitudes. At the same time in the belief that they are better or worse because of their level within society.


To think that all the rich have obtained their fortune through illegal acts or corruption.

political prejudice

This type of prejudice bases their opinions and beliefs about a person or group according to their political inclination.


Having the idea that all the adherents of communism expect the government to provide them with all the social, recreational and economic benefits to live, since they do not like to work. All capitalists are greedy and exploitative.

age bias

This type of prejudice creates opinions around the age of individuals. It usually focuses on thinking that a person’s chronological time limits or enables them to perform a certain activity or make a decision. All this without taking into account that psychological and emotional development and experiences must be considered.


To think that children always tell the truth and that because of their innocence you have to believe them all the time. Older people must be controlled by someone. All teenagers are irresponsible.

ethnic prejudice

This variety of prejudice is related to negative opinions held regarding the cultural form of an individual or community. More specifically, it has to do with the criticisms and ideas that are created around the gastronomic, musical, artistic or historical traditions of a certain group.


To think that gypsies are lazy and don’t like to work.

professional bias

This prejudice is associated with the professional activities that an individual performs. In general, it is linked to a certain union and to certain moral, ethical or sexual actions, which in turn generates certain conditions.


Believing that secretaries or personal assistants always maintain a loving relationship with their bosses.

religious prejudice

A prejudice of this type is the one that is formed from the religious, spiritual or mystical beliefs that a person, community or society in general have. They almost always focus on the way individuals act.


To think that atheists are insensitive people and that they tend to act in a bad way. All Christians who come to mass are trustworthy and good.

educational bias

They are based on the opinions that arise from the educational formation of a person or society. Educational prejudice can occur towards an individual who received a good education and also towards another who has not been academically prepared.


Believing that students who get good grades have no social life. To think that those who do not have a school degree are illiterate.

linguistic bias

In simple terms, this prejudice has to do with the type of language and the form of expression that a specific individual or community uses to communicate. It is associated with the tone, words, or rhythm used in speech.


Thinking that indigenous languages ​​have no reason to exist because very few people speak and understand them. Believing that people who use modern language are uneducated.

prejudice with animals

This variety of prejudice is related to the opinions held about animals and their attitudes. In addition, they encompass the preferences that some individuals have about particular species and the way they bond with them.


Believing that those who have horses are rich. To think that homosexuals only prefer the company of cats.

aesthetic prejudice

Aesthetic prejudice is related to the stereotypes or physical demands of beauty that a society imposes. In most cases they arise from advertising influence and the patterns it establishes.


To think that people with excess body weight have less possibilities and abilities to have a good job.

health prejudice

This prejudice is associated with the negative opinions and ideas that are formed in relation to a physical or mental health condition that an individual or group has. People tend to judge the capabilities and behaviors of those who suffer from them.


Believing that people with Down syndrome do not have the capacity to exercise or carry out a work activity.

gastronomic prejudice

The gastronomic prejudice is one that criticizes or bases its opinions on the food that some individuals consume in certain cultures. They originate from the rarity of the dishes they prepare because they move away from the traditional.


To think that some indigenous and Asian cultures are sick in the head for consuming worms or other species of insects or exotic animals.

fashion bias

This prejudice is associated with the criticisms that are made and the opinions that are formed around the patterns imposed by a fashion or way of dressing. Many times it leans towards a particular genre or designer.


Believing that men who dress fashionably are effeminate or homosexual.

technological bias

A technological prejudice is related to the opinions of ideas that are held about technology and its advances. Mostly, they are oriented to the programs that are designed and how they influence children and young people.


Believing that the experience of reading a physical book is better than in digital format.

literary bias

This prejudice is based on literary productions and authors. The opinions and ideas that arise originate from a comment, the cover of the book, the title of the work or the genre to which it belongs, but not from the experience of having read or knowing all the content.


To think that all science fiction or horror books have low quality content.

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