In a series of studies, Gilbert, the Edgar Pierce Professor of Psychology, his postdoctoral student David Levari, and several other researchers show that as the prevalence of a problem is reduced, humans are inclined to redefine the problem. As a problem becomes smaller, conceptualizations of the problem expand, which can lead to progress being discounted. The research is described in a paper in the June 29 issue of Science. [...]
“Another way to say this is that solving problems causes us to expand our definitions of them,” he said. “When problems become rare, we count more things as problems. Our studies suggest that when the world gets better, we become harsher critics of it, and this can cause us to mistakenly conclude that it hasn’t actually gotten better at all. Progress, it seems, tends to mask itself.” [...]
Even when participants were warned of the tendency, and even when they were offered money to avoid it, they continued to alter their definitions of blue. Another experiment, this one using faces, showed similar results. When the prevalence of threatening faces was reduced, people began to identify neutral faces as threatening.
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