How People Become Prejudiced: The Psychology of Closing Yourself Off
One of the more comforting stories liberal-minded people sometimes tell themselves is that racists, sexists, and other thoroughly unpleasant people are simply stupid. Morally backward, intellectually lacking, embarrassingly primitive. It is an understandable impulse. If someone says something cruel, demeaning, or openly bigoted, it is tempting to explain that ugliness by assuming a lack of intelligence. The thought offers a kind of relief. It reassures us that prejudice belongs to a lesser kind of mind.
But reality is more difficult than that.
Plenty of prejudiced people are not unintelligent in any simple sense. Some are articulate, socially competent, professionally successful, and perfectly capable of navigating complex parts of life. That is precisely what makes prejudice more troubling. Bigotry is not just a glitch in reasoning that appears only in fools. It is often the result of ordinary psychological tendencies shaped by fear, identity, status anxiety, selective environments, and a social world that rewards closure more than curiosity.
That does not excuse it. It makes it more important to understand.
Because if prejudice were only a matter of low intelligence, the problem would be smaller and simpler. Instead, racism, sexism, and moral rigidity are better understood as distorted ways of making sense of the world. They are often the result of people learning to treat difference not as something interesting, enriching, or human, but as something threatening, contaminating, or beneath them. In that sense, prejudice is not just hatred. It is a kind of narrowing. A shrinking of the moral imagination. A decision, sometimes gradual and sometimes inherited, to live in a smaller world than the one actually available.
Prejudice begins with ordinary psychology
Human beings categorise. We always have. It is one of the basic shortcuts of thought. We sort people, objects, and situations into mental boxes because it helps us move through a complicated world without having to process everything from scratch. In itself, that is not evil. It is efficient. But it comes with a cost.
Once we start grouping people into categories like us and them, insiders and outsiders, normal and not normal, the door to prejudice opens very easily. We become more likely to notice what confirms our assumptions and less likely to notice what challenges them. We remember the out-group member who fits the stereotype and quietly forget the many who do not. We treat our own group as varied and human, while flattening everyone else into a type.
This is one reason prejudice can feel so natural to the person holding it. It often piggybacks on mental habits that are common to everyone. The problem is not that only some people categorise. The problem is what happens when those categories harden into moral boundaries.
Psychologically, prejudice often offers something very seductive. Simplicity.
A complicated world becomes easier to understand if social problems can be blamed on immigrants, feminists, ethnic minorities, welfare recipients, queer people, intellectuals, or whoever has been cast as the convenient outsider. Ambiguity disappears. Complexity shrinks. You no longer have to ask hard questions about economics, history, institutions, or your own insecurity. You can just point and say, they are the problem.
That is one of the hidden attractions of prejudice. It reduces cognitive strain. It gives messy frustrations a target.
Fear matters more than many people want to admit
A lot of prejudice is less about superiority in any grand philosophical sense and more about fear. Fear of losing status. Fear of cultural change. Fear of not knowing where you fit anymore. Fear that the world you thought belonged to people like you is becoming more diverse, more equal, and less obedient to old hierarchies.
Political psychology has long shown that people differ in how threatening they perceive the world to be. Some are more comfortable with ambiguity, difference, and change. Others are far more likely to interpret social change as danger. This matters enormously. If you see diversity as enrichment, you respond one way. If you see it as erosion, invasion, or disorder, you respond another.
That is why prejudice so often intensifies during periods of instability. Economic insecurity, demographic change, rapid cultural shifts, political chaos, and moral panic all make people more vulnerable to reactionary thinking. Under those conditions, authoritarian ideas become psychologically appealing. Strong boundaries feel comforting. Harsh norms feel stabilising. Tradition becomes emotionally fused with safety.
This is why bigotry is rarely just ignorance in the narrow sense. It is often identity protection under pressure.
A man who has built his self-worth around a rigid idea of masculinity may react badly to feminism not because he has carefully reasoned his way to misogyny, but because equality feels like humiliation when you were taught dominance was dignity. A white person taught, however subtly, that their social position is normal and deserved may experience even mild anti-racist critique as persecution. A person raised to treat moral certainty as virtue may interpret pluralism itself as decay.
In each case, the issue is not merely lack of information. It is the emotional experience of threat.
Prejudice is learned socially before it is defended intellectually
People are not born racist or sexist. They learn what kinds of people deserve warmth, suspicion, respect, pity, fear, or contempt. They learn it from family, school, religion, peers, media, and the wider political culture.
Often this learning is not explicit. A child does not need a lecture on racial hierarchy to absorb prejudice. They can pick it up from tone, body language, jokes, silences, and patterns of comfort. Who is welcomed and who is watched. Who is described as hard-working and who is described as dangerous. Who is allowed complexity and who is reduced to a stereotype.
The same is true of sexism. Children notice who interrupts whom, who gets listened to, who is expected to serve, who is treated as decorative, who is treated as authoritative. Long before they can explain patriarchy, they can feel its shape.
This is one of the reasons prejudice can become so deeply embedded. It is often woven into ordinary life before it is ever articulated as a conscious belief. By the time someone starts openly defending racist or sexist ideas, those ideas may already be connected to years of emotional learning, community reinforcement, and habitual perception.
Then comes rationalisation.
Human beings are very good at dressing up inherited discomfort as principle. What begins as bias often gets repackaged as common sense, realism, tradition, biology, free speech, or concern. This is why prejudiced ideologies are so often presented by their supporters as brave truth-telling. It allows people to feel intellectually serious while avoiding the more embarrassing possibility that they have simply absorbed a hierarchy and grown attached to it.
Intelligence helps, but it is not the whole story
There is some evidence that lower cognitive ability is associated with higher prejudice, especially when filtered through authoritarianism and limited exposure to difference. That should not be ignored. Simpler thinkers may indeed be more vulnerable to rigid worldviews that divide humanity into fixed categories and moral absolutes.
But intelligence on its own is not enough.
A clever person can be prejudiced in a far more sophisticated way than a foolish person. They may use statistics selectively, hide behind respectability, or translate old hatreds into polished language about culture, standards, merit, or civilisation. Education can reduce prejudice, but it can also simply make a person better at justifying what they already want to believe.
What seems more protective than raw intelligence alone is a combination of cognitive flexibility, humility, and openness to experience. In plain English, that means being willing to revise your beliefs, tolerate discomfort, meet people unlike yourself, and accept that the world is larger and more complicated than the stories you inherited.
That kind of openness is not just an intellectual trait. It is a moral one.
To be open-minded in any meaningful sense is to allow other people full human depth. It is to resist the urge to flatten them into symbols of threat or decay. It is to remain curious where prejudice demands certainty.
And prejudice really does demand certainty.
The racist needs to know what whole groups are like. The sexist needs to know what women are really like, what men are really for, what social roles are natural. The morally rigid person needs to know that their framework is not one framework among many, but the framework. Certainty becomes part of the emotional reward. It removes the burden of listening.
What the prejudiced person is actually missing
When we talk about prejudice, the emphasis quite rightly falls on harm. The targets of racism, sexism, homophobia, and xenophobia bear the real cost, from humiliation and exclusion to violence and structural inequality. That must never be softened.
But there is another part of the story too. The prejudiced person is not just harming others. They are also impoverishing themselves.
To close yourself off from whole categories of people is to live in a diminished world. It is to cut yourself off from friendships you could have had, ideas you might have learned from, forms of beauty and humour and wisdom that do not arrive wrapped in familiar packaging. It is to experience human variety not as abundance, but as irritation.
That is a tragic way to live.
The racist often thinks they are preserving something, but they are usually preserving a cramped identity that cannot tolerate reality. The sexist may believe he is defending order, while missing out on equal relationships rich in reciprocity, challenge, and mutual respect. The morally rigid person may pride themselves on standing firm, while never realising how much life requires interpretation, negotiation, and growth.
There is a real psychological cost to staying closed. It takes energy to maintain contempt. It takes effort to keep dismissing evidence that other people are as complex and human as you are. Bigotry can provide the short-term comfort of certainty, but it often leaves people brittle, angry, and trapped inside repetitive narratives of grievance.
In that sense, prejudice is not just cruelty. It is stagnation.
Why this matters politically
None of this happens in a vacuum. Prejudice is deeply political because societies teach people who belongs, who threatens, and whose suffering counts. Politicians, media ecosystems, and cultural institutions all help decide whether difference is framed as a democratic strength or a civilisational threat.
Right-wing politics has often been especially effective at exploiting the psychology of threat. It offers clarity in anxious times. It tells people that their discomfort is not confusion but insight, not insecurity but patriotism, not prejudice but courage. It takes diffuse frustration and gives it a target. Migrants. Feminists. Muslims. Trans people. Intellectuals. The poor. The woke. The “undeserving”. Whoever can be turned into a symbol of social decline.
That strategy works because it speaks to real emotions while lying about their causes.
If wages are stagnant, public services hollowed out, housing unaffordable, and communities neglected, it is easier for demagogues to blame vulnerable groups than the actual systems and interests responsible. Prejudice becomes politically useful because it redirects anger sideways rather than upwards. It keeps people fighting for scraps while the machinery that produces inequality keeps running.
This is one reason the left has to take the psychology of prejudice seriously. Not to excuse reactionary thinking, and certainly not to romanticise it, but to understand how it is produced and mobilised. If people are frightened, humiliated, atomised, and denied meaningful forms of belonging, some will become more receptive to rigid ideologies that promise order and significance. A serious progressive politics must therefore offer not only critique, but alternative sources of dignity, solidarity, and meaning.
People need more than facts. They need social worlds in which openness feels livable.
Can people change?
Sometimes, yes. But not usually because they were shamed into silence and then magically enlightened by a statistics thread.
People tend to change when something interrupts the closed system they have been living in. A real relationship. A contradiction they cannot easily explain away. A life experience that destabilises the worldview they had relied on. An environment where empathy is modelled rather than mocked. A moment of self-recognition. Sometimes education helps. Sometimes art helps. Sometimes love does what argument could not.
But change is difficult because prejudice often serves a function. It protects identity, discharges anger, and preserves hierarchy. Asking someone to give up prejudice may mean asking them to give up a whole emotional structure that has made the world feel legible. That is no small thing.
Still, people are capable of growth. The human mind is not fixed. Our circles of concern can widen. Our certainties can soften. Our sense of self can become less defensive and more generous. But that process usually requires more than information. It requires conditions that make curiosity safer than contempt.
Simply Put
The prejudiced person is not always stupid. Sometimes they are frightened. Sometimes status-driven. Sometimes poorly educated. Sometimes highly educated but emotionally rigid. Sometimes they are repeating what they were taught. Sometimes they are choosing comfort over truth. Often they are doing several of these things at once.
What unites these forms is not simply ignorance, but closure.
To become racist, sexist, or morally repugnant is often to become smaller. Smaller in sympathy. Smaller in curiosity. Smaller in one’s willingness to let other people be fully real. Prejudice narrows the world until only the familiar feels valid and only the self feels central.
That is why fighting prejudice is not just about correcting false beliefs. It is about defending a wider, richer vision of human life. One in which difference is not a threat to endure, but part of what makes the world worth knowing.
And perhaps that is the most damning thing we can say about bigotry. Not only that it is unjust, though it is. Not only that it is cruel, though it is. But that it represents a failure to take in the sheer scale of what other people are. Whole universes of experience, dismissed for the sake of a smaller story.
References
Allport, G. W. (1954). The nature of prejudice. Addison-Wesley.
Table of Contents
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