Psychology · Ch 7 — Social Influence and Group Processes
Ingroup and Outgroup
Ingroup and Outgroup
Ingroup and Outgroup
The way we see ourselves is deeply tied to the groups we belong to. Just as a person compares themselves with others, groups compare themselves with other groups. This comparison is the foundation of the ingroup–outgroup distinction.
An ingroup is your own group — the one you feel a part of. An outgroup is any group you do not belong to. The language we use reveals this instantly: for ingroup members we say ‘we’, and for outgroup members we say ‘they’. That simple shift in pronoun is a powerful act of categorising people as similar to us or different from us.
Research shows that people tend to see ingroup members as similar to one another, view them favourably, and attribute desirable traits to them. Outgroup members, by contrast, are often seen differently and are perceived negatively in comparison. These perceptions are not neutral — they shape our social lives, influencing how we treat others and how we expect to be treated.
Although these categories feel real and natural, they are not real in any objective sense. They are created by us. The ingroup–outgroup boundary is a mental construction, not a fixed fact of the world.
Some cultures actively celebrate plurality rather than treating difference as a threat. India is a strong example: its unique composite culture is visible not only in everyday life but also in its art, architecture, and music. Recognising that categories are made by us, not given by nature, is the first step toward appreciating diversity.
The Minimal Group Paradigm (Tajfel’s Experiments)
Henri Tajfel and his colleagues wanted to find the smallest possible condition under which people would show ingroup favouritism — that is, favouring their own group over another. They developed the minimal group paradigm to test this.
British schoolboys were told they were taking part in an experiment on decision-making. They were asked to express their preference for paintings by two artists — Vassily Kandinsky and Paul Klee. Based on this preference, the boys were divided into two groups (the Kandinsky group and the Klee group). Crucially, the boys knew which group they were in, but the identity of other group members was hidden using code numbers. There was no past history between the groups, no future interaction expected, and no competition — the groups were created on a flimsy criterion (a preference for one painter over another).
The boys were then asked to distribute money between recipients, identified only by code number and group membership. A sample distribution matrix looked like this:
| Recipient | Amount given |
|---|---|
| Ingroup member | 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 |
| Outgroup member | 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25 |
Even though the groups were meaningless and temporary, the results were clear: children favoured their own group. They gave more money to ingroup members than to outgroup members. This showed that the mere act of being categorised into a group — even on the most trivial basis — is enough to trigger ingroup bias.
The minimal group paradigm demonstrates that intergroup discrimination does not require a history of conflict, competition, or even personal interaction. The simple fact of being placed in a group is sufficient.
Primary and Secondary Groups
A major distinction between groups is whether they are primary or secondary.
Primary groups are pre-existing formations that are usually given to the individual, not chosen. Examples include family, caste, and religion. In a primary group:
- There is face-to-face interaction
- Members have close physical proximity
- Members share warm emotional bonds
- Boundaries are less permeable — you cannot easily choose to leave or join
- These groups are central to an individual’s functioning and play a major role in developing values and ideals during early development
Secondary groups are those the individual joins by choice. An example is membership of a political party. In a secondary group:
- Relationships among members are more impersonal, indirect, and less frequent
- It is easy to leave and join another group
- Boundaries are more permeable
Formal and Informal Groups
These groups differ in how explicitly and formally the group’s functions are stated. …