The Social Animal

The Social Animal is one of the best-known textbooks in social psychology, the field that studies how we think, feel, and act in the real or imagined presence of other people. Elliot Aronson wrote it to be an easy read, with plenty of cases and experiments, and it has gone through many editions over the decades.

Its underlying argument is that we aren't rational machines processing information alone, but animals that live in groups, need acceptance, justify their actions, and are shaped by their surroundings. The question is how that works and what we can do with that knowledge.

Rather than following a single sequence, the book explores several themes: conformity, self-justification, persuasion, attraction, prejudice, aggression, and helping. This summary follows that order and covers the most famous experiments.

The most widely cited experiment on conformity is Solomon Asch's. A group of people must identify which of three lines matches the length of a reference line. The answer is obvious. But everyone except one person is a confederate working with the researcher, and they all give the same wrong answer aloud before the volunteer responds.

Many volunteers went along with the majority in at least one round, even though they could see otherwise. Some doubted their own eyes; others didn't want to be the difficult one in the group. When one confederate gave the right answer, the pressure dropped considerably.

The book points out that conforming isn't simply weakness: it's often a rational way of handling uncertainty, since the group usually knows something. Trouble arises when the group is wrong and the discomfort of standing out matters more than the truth.

The central idea for Aronson, a student of Leon Festinger, is cognitive dissonance. It arises when we hold two conflicting ideas, such as 'I'm an intelligent person' and 'I did something stupid.' The discomfort is real, and it motivates us to reduce it.

The easiest way out is rarely to change our behavior. It's usually to change the explanation: 'It wasn't that bad,' 'Everyone does it,' 'I had no choice.' Smokers who know the risks but keep smoking offer an everyday example: 'My grandfather smoked his whole life and lived to ninety.'

For Aronson, dissonance is stronger when our self-concept is threatened: when a mistake clashes with our image of ourselves. That's why people who consider themselves honest feel more distressed when they realize they've lied.