Most people set out in life wanting to believe the world is fair. They expect people to wait their turn in queues, to be treated equally in their job, and to be rewarded for hard work. These expectations influence how they understand the world around them, and shape their responses to it.

But what happens when life repeatedly challenges those assumptions? Psychologists have long been interested in this question. Our new research, published in the British Journal of Psychology, suggests adverse experiences shape both how fair people believe the world is, and how they view their place in society.

Over the course of a lifetime, personal setbacks – from illness and bereavement to being a victim of crime – may have a cumulative effect, leading to a growing sense that the world is unfair. We think this is important in the context of today’s increasingly polarised societies, in which trust in institutions has declined severely in the UK and many other countries.

Adversity and unfairness

Our research set out to answer two key questions: do experiences of adversity influence whether people see the world as fundamentally unfair – and if so, what are the societal consequences? We conducted three surveys involving more than 1,200 British participants with an equal gender split and average age of 39.

In one study, we........

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