Psychological Theories of Conflict: Insights from Freud and Tajfel

Why do humans fight? This question has occupied thinkers for centuries, but psychologists offer a distinct answer. Rather than locating conflict in scarce resources or political structures, psychological theories trace it to something closer to home: our beliefs, motivations, perceptions, and values. If conflict begins in the human mind, then understanding the mind becomes essential to understanding war, prejudice, and violence. This article examines three influential perspectives that shaped how scholars think about the psychological roots of conflict, from Freud’s dark vision of an innate destructive drive to Tajfel’s group-based explanation, and finally to a scientific declaration that pushed back against the idea that violence is simply in our nature.

Locating conflict in the human mind 🔗

Psychological and social psychological theories share a common starting point. They argue that to explain conflict, we must look at internal mental processes and the dynamics between groups, not just external conditions like territory or money. These approaches assume that human cognition, emotion, and identity play a decisive role in how disputes form and escalate.

This focus matters for conflict resolution. If aggression flows from a fixed biological drive, peace becomes a matter of managing an unavoidable urge. But if conflict grows out of learned perceptions and group loyalties, then changing those perceptions becomes a realistic path toward peace. The debate between these positions has practical consequences, which is exactly why it remains relevant to anyone studying how conflicts can be prevented or resolved.

Freud’s psychoanalytic theory: the death instinct 🔗

Sigmund Freud offered one of the earliest and most controversial psychological explanations of human aggression. In his 1920 work Beyond the Pleasure Principle, he proposed that humans are driven by two fundamental and opposing instincts. The first is Eros, the life instinct, which fuels love, creativity, cooperation, and survival. The second is Thanatos, the death instinct, which Freud described as an unconscious drive toward self-destruction and a return to an inorganic, tensionless state.

According to Freud, the death instinct is the source of destructive urges. When this energy is directed inward, it can show up as self-criticism, depression, or risky behavior. When directed outward, it manifests as aggression toward others. For Freud, this outward expression of Thanatos explained everyday hostility as well as large-scale warfare. Conflict, in this view, is not an accident or a failure of reasoning. It is the visible result of a destructive force that resides deep within the psyche.

Why Freud developed this idea 🔗

Freud did not arrive at the death instinct casually. He developed it after observing patterns he could not explain through the pleasure principle alone. Soldiers traumatised in war kept reliving their distressing experiences, and patients repeated painful situations rather than avoiding them. This phenomenon, which he called repetition compulsion, pushed him to theorise a darker force operating beneath conscious desire. These drives, he argued, originate in the id, the most primitive and unconscious part of the personality. The ego must constantly manage the tension between them in ways acceptable to social reality.

The limits of Freud’s theory 🔗

Freud’s death instinct has attracted heavy criticism, even from within psychoanalysis. A central objection is that the concept is non-falsifiable, meaning it cannot be tested or disproven through scientific methods. Freud himself acknowledged its speculative nature and admitted there was limited clinical evidence beyond repetition compulsion. In his later writing, he revised the idea, treating Thanatos less as an independent instinct and more as aggression turned inward. Despite these criticisms, the theory remains historically important because it framed aggression as an internal psychological reality rather than a purely external problem.

Social identity theory: conflict through group membership 🔗

If Freud located conflict inside the individual, Henri Tajfel relocated it to the space between groups. A Polish-born social psychologist who survived the Second World War as a Jewish prisoner, Tajfel was deeply motivated to understand how ordinary people come to harm others simply because of group labels. His personal history shaped a body of research that became Social Identity Theory, developed with John Turner in the 1970s.

The core insight is straightforward. People derive a meaningful part of their self-concept from the groups they belong to, whether those are based on nationality, religion, ethnicity, profession, or even a sports team. Tajfel’s theory holds that individuals categorise themselves and others into ingroups and outgroups, and they seek to maintain a positive self-image by viewing their own group favourably. This creates a natural tilt toward ingroup favouritism and bias against outgroups, which can escalate into discrimination and conflict.

The minimal group experiments 🔗

What makes Tajfel’s work so striking is how little it takes to trigger group bias. In a series of studies known as the minimal group paradigm, Tajfel and colleagues divided participants into groups based on completely trivial criteria, such as a coin toss or a preference between two abstract painters. There was no history, no competition for resources, and no face-to-face contact between members. Even so, participants consistently favoured their own group when allocating rewards. The mere act of categorisation was enough to produce discrimination.

This finding was significant. It suggested that conflict does not always require a concrete reason like competition over land or jobs. The “us versus them” mentality can emerge from categorisation alone, which is why Social Identity Theory has been used to explain phenomena ranging from football rivalries to nationalism and ethnic violence.

How it builds on earlier theories 🔗

Tajfel’s work did not appear in isolation. It built on Muzafer Sherif’s Realistic Conflict Theory, which argued that group conflict arises from direct competition over scarce resources. Social Identity Theory does not reject this idea but extends it, explaining how conflict can exist even when no real competition is present. According to Tajfel, social behaviour falls on a spectrum from interpersonal to intergroup. At the extreme intergroup end, individuals stop seeing each other as persons and relate purely through group membership. Soldiers in opposing armies are a clear example, fighting one another not because of personal qualities but because of the uniforms they wear.

The Seville Statement on Violence: challenging the inevitability of war 🔗

Both Freud’s theory and certain popular readings of group behaviour can give the impression that violence is hardwired into human nature. If that were true, peace might seem impossible. In 1986, a group of scientists gathered in Seville, Spain, to directly challenge this assumption. The result was the Seville Statement on Violence, convened under the Spanish National Commission for UNESCO and later adopted by UNESCO at its General Conference in 1989.

The statement was written by around twenty scholars from many countries and disciplines, including anthropologists, biologists, physiologists, psychologists, and political scientists. Its purpose was clear: to refute the notion that organised human violence is biologically determined. The signatories wanted to correct a widespread belief, often repeated even in scientific media, that warfare is instinctive and therefore unavoidable.

The five core propositions 🔗

The Seville Statement rests on a set of scientific propositions that systematically dismantle the biological-determinism argument. In its own framing, the statement asserts that it is scientifically incorrect to claim that humans have inherited a tendency to make war from animal ancestors, or that war is genetically programmed into human nature. It also rejects the ideas that evolution selected humans for aggressive behaviour, that we carry a “violent brain,” and that war is caused by a single instinct or motivation.

Instead, the statement locates the causes of violence in social and environmental factors. The scholars argued that warfare is a cultural product, an invention rather than a fixed feature of biology. One memorable formulation from anthropologist Margaret Mead, associated with this tradition, holds that the same species that invented war is capable of inventing peace. The statement acknowledges that humans experience emotions like fear and anger, but insists that we decide how to express them. In modern warfare especially, the decision to fight is shaped by training, political leadership, and the media rather than by raw instinct.

Why beliefs about violence matter 🔗

The Seville Statement was not merely an academic exercise. Its authors stressed that what people believe about the origins of violence affects how they behave. Research has shown that those who believe war is biologically determined are less likely to work for peace, while those who see it as preventable are more likely to take action. By declaring that we are not condemned to war by our biology, the statement aimed to support peace education and remove a psychological barrier to building a more peaceful world.

Comparing the three perspectives 🔗

Placed side by side, these three approaches reveal a meaningful debate about where conflict comes from and whether it can be overcome. Freud’s psychoanalytic theory presents aggression as an innate drive, suggesting a pessimistic view in which destructive urges must be continuously managed. Tajfel’s Social Identity Theory shifts attention to group dynamics, showing that conflict often springs from how we categorise ourselves and others rather than from a fixed instinct. The Seville Statement goes further, using scientific consensus to argue that violence is learned and cultural, and therefore open to change.

Together they map a useful spectrum. At one end sits the idea that conflict is biologically rooted and largely unavoidable. At the other sits the conviction that conflict is socially constructed and can be reduced through education, awareness, and changed attitudes. For students of conflict resolution and peace building, this spectrum is not just theoretical. It frames the central question of whether peace is a realistic goal or an uphill struggle against human nature, and the evidence increasingly supports the more hopeful position.

What do you think? Do you find Freud’s idea of an innate destructive drive convincing, or does the Seville Statement’s argument that violence is learned feel closer to the truth? And in your own experience, how powerful is the “us versus them” instinct that Tajfel described in shaping the conflicts you see around you?

References

1. https://www.britannica.com/science/thanatos-psychology
2. https://study.com/learn/lesson/freud-death-drive-thanatos.html
3. https://psychology.town/psychotherapeutic-methods/freud-basic-human-drives-sex-aggression/
4. https://www.ebsco.com/research-starters/psychology/social-identity-theory
5. https://www.britannica.com/topic/social-identity-theory
6. https://www.simplypsychology.org/social-identity-theory.html
7. https://en.wikipedia.org/wiki/Seville_Statement_on_Violence
8. https://en.wikipedia.org/wiki/David_Adams_(peace_activist)
9. https://cadmusjournal.org/node/869