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Lawrence Hrubes

Problems Too Disgusting to Solve - The New Yorker - 0 views

  • last month, Bill Gates released a video of one of the latest ventures funded by the Bill and Melinda Gates Foundation: the Omniprocessor, a Seattle-based processing plant that burns sewage to make clean drinking water. In the video, Gates raises a glass of water to his lips. Just five minutes ago, the caption explains, that water was human waste. Gates takes a sip. “It’s water,” he says. “Having studied the engineering behind it,” he writes, on the foundation’s blog, “I would happily drink it every day. It’s that safe.”
  • In the first series of studies, the group asked adults in five cities about their backgrounds, their political and personal views, and, most important, their view on the concept of “recycled water.” On average, everyone was uncomfortable with the idea—even when they were told that treated, recycled water is actually safer to drink than unfiltered tap water. That discomfort, Rozin found, was all about disgust. Twenty-six per cent of participants were so disgusted by the idea of toilet-to-tap that they even agreed with the statement, “It is impossible for recycled water to be treated to a high enough quality that I would want to use it.” They didn’t care what the safety data said. Their guts told them that the water would never be drinkable. It’s a phenomenon known as contagion, or, as Rozin describes it, “once in contact, always in contact.” By touching something we find disgusting, a previously neutral or even well-liked item can acquire—permanently—its properties of grossness.
  • eelings of disgust are often immune to rationality. And with good reason: evolutionarily, disgust is an incredibly adaptive, life-saving reaction. We find certain things instinctively gross because they really can harm us. Human secretions pass on disease. Noxious odors signal that your surroundings may be unsafe. If something feels slimy and sludgy, it’s likely a moisture-rich environment where pathogens may proliferate. Disgust is powerful, in short, because it often signals something important. It’s easy, though, to be disgusted by things that aren’t actually dangerous. In a prior study, Rozin found that people were unwilling to drink a favorite beverage into which a “fully sterilized” cockroach had been dipped. Intellectually, they knew that the drink was safe, but they couldn’t get over the hump of disgust. In another experiment, students wouldn’t eat chocolate that had been molded to look like poop: they knew that it was safe—tasty, even—but its appearance was too much to handle. Their response makes no logical sense. When it comes to recycled water, for instance, Rozin points out that, on some level, all water comes from sewage: “Rain is water that used to be in someone’s toilet, and nobody seems to mind.” The problem, he says, has to do with making the hidden visible. “If it’s obvious—take shit water, put it through a filter—then people are upset.”
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  • Disgust has deep psychological roots, emerging early in a child’s development. Infants and young toddlers don’t feel grossed out by anything—diapers, Rozin observes, are there in part to stop a baby “from eating her shit.” In the young mind, curiosity and exploration often overpower any competing instincts. But, at around four years old, there seems to be a profound shift. Suddenly, children won’t touch things that they find appalling. Some substances, especially human excretions of any sort, are seen as gross and untouchable all over the world; others are culturally determined. But, whether universal or culturally-specific, the disgust reactions that we acquire as children stay with us throughout our lives. If anything, they grow stronger—and more consequential—with age.
Lawrence Hrubes

There's a morality test that evaluates utilitarianism better than the Trolley Problem -... - 3 views

  • Everyone likes to think of themselves as moral. Objectively evaluating morality is decidedly tricky, though, not least because there’s no clear consensus on what it actually means to be moral. A group of philosophers and psychologists from Oxford University have created a scale to evaluate one of the most clear-cut and well-known theories of morality: utilitarianism. This theory, first put forward by 18th century British philosopher Jeremy Bentham, argues that action is moral when it creates the maximum happiness for the maximum number of people. Utilitarianism’s focus on consequences states that it’s morally acceptable to actively hurt someone if it means that, overall, more people will benefit as a result.
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