Teenagers Took Less Money Just to Keep the Other Team Poorer
They were strangers on made up teams, but beating the other group mattered more than getting paid.
Stuff You Should Know · Social Identity Theory: Your Group Rules, Others DroolIn 1979, 62 students, ages 14 and 15, looked at abstract paintings and picked the ones they liked best.
They were told those picks put them on teams. The names sounded official: triangle, circle, dichromatic, and polychromatic. In reality, the painting choices meant nothing. Henri Tajfel, a social psychologist who studied how group membership shapes identity, and Rupert Brown, another social psychologist, wanted to see what would happen if people were grouped for no real reason and then asked to make decisions about rewards. They had split the teenagers into two real groups, with no sign the kids knew it. The painting names were just labels.
The point was to test a simple, unsettling idea now called social identity theory, that people get much of their sense of self from the groups they belong to, and will favor their own group even when there is nothing to fight over. If mere membership was enough, then even strangers with made up teams would start playing favorites.
Then came the money. Each teenager was given forms with side by side proposals for how much each group would be paid for taking part in the study. Some of the proposed payments were equal. Some were not.
The forms showed the tradeoff plainly. When both groups could make $11, the teenagers picked $10 for their own side while holding the other side to $5. They accepted less for themselves to make sure the other side got even less.
They were not trying to maximize money, the researchers concluded. They were trying to lift their team's standing by leaving the rival with half as much.
That is what made the result stick. These were strangers with nothing in common, and they were not even in the groups they thought they were in, yet the immediate sense of belonging was enough to make them discriminate against people they thought were outsiders.
Questions people ask
What were the researchers actually trying to prove?
They wanted to find the minimum conditions needed for group bias to appear. By stripping away history, friendship, competition, and even real differences between groups, they could test whether simply belonging to a group was enough to make people favor insiders over outsiders.
Has this result held up with adults?
Yes, versions of this minimal group test have been repeated many times with adults, and people often give more money, praise, or help to members of their own made up group. The size of the effect varies, and critics note that the stakes in the lab are low. But the basic pattern, that instant groups create instant favoritism, has proven stubbornly durable.
Why would being ahead feel better than having more?
Social identity theory argues that people do not just want resources, they want status and self esteem from belonging to a group that compares well to others. A $10 payment that leaves a rival with $5 signals that your team is twice as good, while $11 each signals nothing. In that logic, the comparison is the reward.