James' World 2

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In July of 1838, Charles Darwin was twenty-nine years old and single. Two years earlier, he had returned from his voyage aboard H.M.S. Beagle with the observations that would eventually form the basis of “On the Origin of Species.” In the meantime, he faced a more pressing analytical problem. Darwin was considering proposing to his cousin Emma Wedgwood, but he worried that marriage and children might impede his scientific career. To figure out what to do, he made two lists. “Loss of time,” he wrote on the first. “Perhaps quarreling. . . . Cannot read in the evenings. . . . Anxiety and responsibility. Perhaps my wife won’t like London; then the sentence is banishment and degradation into indolent, idle fool.” On the second, he wrote, “Children (if it Please God). Constant companion (and friend in old age). . . . Home, & someone to take care of house.” He noted that it was “intolerable to think of spending one’s whole life, like a neuter bee, working, working. . . . Only picture to yourself a nice soft wife on a sofa with good fire and books and music, perhaps.”

Beneath his lists, Darwin scrawled, “Marry, Marry, Marry QED.” And yet, Steven Johnson writes, in “Farsighted: How We Make the Decisions That Matter the Most,” “we have no evidence of how he actually weighed these competing arguments against each other.” Johnson, the author of “How We Got to Now” and other popular works of intellectual history, can’t help but notice the mediocrity of Darwin’s decision-making process. He points out that Benjamin Franklin used a more advanced pro-and-con technique: in what Franklin called “Prudential Algebra,” a numerical weight is assigned to each listed item, and counterbalancing items are then eliminated. (“If I find a Reason pro equal to some two Reasons con, I strike out the three . . . And thus proceeding I find at length where the Ballance lies,” Franklin explained to a friend.) Even this approach, Johnson writes, is slapdash and dependent upon intuition. “The craft of making farsighted choices—decisions that require long periods of deliberation, decisions whose consequences might last for years,” he concludes, “is a strangely under-appreciated skill.”

We say that we “decide” to get married, to have children, to live in particular cities, or embark on particular careers, and in a sense this is true. But how do we actually make those choices? One of the paradoxes of life is that our big decisions are often less calculated than our small ones are. We agonize over what to stream on Netflix, then let TV shows persuade us to move to New York; buying a new laptop may involve weeks of Internet research, but the deliberations behind a life-changing breakup could consist of a few bottles of wine. We’re hardly more advanced than the ancient Persians, who, Herodotus says, made big decisions by discussing them twice: once while drunk, once while sober.

Johnson hopes to reform us. He examines a number of complex decisions with far-reaching consequences—such as the choice, made by President Barack Obama and his advisers, to green-light the raid on Osama bin Laden’s presumed compound, in Abbottabad, Pakistan—and then shows how the people in charge drew upon insights from “decision science,” a research field at the intersection of behavioral economics, psychology, and management. He thinks that we should apply such techniques to our own lives.

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