Future Babble
Why Expert Predictions Fail - and Why We Believe Them Anyway
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- 12,99 €
Descrizione dell’editore
In 2008, as the price of oil surged above $140 a barrel, experts said it would soon hit $200; a few months later it plunged to $30. In 1967, they said the USSR would have one of the fastest-growing economies in the year 2000; in 2000, the USSR did not exist. In 1911, it was pronounced that there would be no more wars in Europe; we all know how that turned out. Face it, experts are about as accurate as dart-throwing monkeys. And yet every day we ask them to predict the future — everything from the weather to the likelihood of a catastrophic terrorist attack. Future Babble is the first book to examine this phenomenon, showing why our brains yearn for certainty about the future, why we are attracted to those who predict it confidently, and why it’s so easy for us to ignore the trail of outrageously wrong forecasts.
In this fast-paced, example-packed, sometimes darkly hilarious book, journalist Dan Gardner shows how seminal research by UC Berkeley professor Philip Tetlock proved that pundits who are more famous are less accurate — and the average expert is no more accurate than a flipped coin. Gardner also draws on current research in cognitive psychology, political science, and behavioral economics to discover something quite reassuring: The future is always uncertain, but the end is not always near.
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Gardner, a columnist and senior writer for the Ottawa Citizen (The Science of Fear), examines the misguided trust people place in media forecasters and "legions of experts" who make meaningless predictions about the future. He reviews the findings of psychologist Philip Tetlock, who had 284 experts from a range of disciplines make 27,450 predictions on political and economic trends, concluding they produced about the same results as random guesses. Biologist Paul Erhlich is one of his main targets. In 1968's The Population Bomb, Ehrlich predicted mass famines. In fact, Gardner points to America's "epidemic of obesity" and growing calorie intake worldwide. Gardner also probes economic and environmental worries, and warnings of wars, climate change, the Y2K hysteria, and the weather, which he says can be forecast with accuracy only at most two days out. Successful predictions are celebrated, Gardner says, while the wrong ones are forgotten. Yet he might have done well to remember more of those accurate predictions, and to focus more on Tetlock's conclusions about those experts who show greater accuracy and on how the public might recognize them. Instead, he writes off accurate predictions as "likely... a coincidence."
