How People Select Their Own Reality

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We live in an unprecedented “age of information,” but we use very little of it. Dieters prefer not to look at the calories in their tasty desert, people at high risk for disease avoid screenings and people choose the news source that aligns with their political ideology.

Drawing on research in economics, psychology and sociology, Carnegie Mellon University’s George Loewenstein, Russell Golman and David Hagmann illustrate how people select their own reality by deliberately avoiding information that threatens their happiness and wellbeing.

In a paper published in the Journal of Economic Literature, they show that while a simple failure to obtain information is the most clear-cut case of “information avoidance,” people have a wide range of other information-avoidance strategies at their disposal. They also are remarkably adept at selectively directing their attention to information that affirms what they believe or that reflects favorably upon them, and at forgetting information they wish were not true.

“The standard account of information in economics is that people should seek out information that will aid in decision-making, should never actively avoid information, and should dispassionately update their views when they encounter new valid information,” said Loewenstein, the Herbert A. Simon University Professor of Economics and Psychology who co-founded the field of behavioral economics.

“But people often avoid information that could help them to make better decisions if they think the information might be painful to receive. Bad teachers, for example, could benefit from feedback from students, but are much less likely to pore over teaching ratings than skilled teachers,” Loewenstein said.

Even when people cannot outright ignore information, they often have substantial latitude in how to interpret it. Questionable evidence is often treated as credible when it confirms what someone wants to believe — as is the case of discredited research linking vaccines to autism. And evidence that meets the rigorous demands of science is often discounted if it goes against what people want to believe, as illustrated by widespread dismissal of scientific evidence of climate change.

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