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Why people forget that less is often more

C OLIN CHAPMAN, the founder of Lotus Cars, was one of motor racing’s most influential engineers. He summed up his philosophy as “simplify, then add lightness”. A stripped-down, featherweight car might be slower on the straights than a beefy muscle-machine, he reasoned. But it would be faster everywhere else. Between 1962 and 1978 Lotus won seven Formula One constructors championships. Listen to this story Enjoy more audio and podcasts oniOSorAndroid. It appears to be an uncommon insight. A paper published in Nature suggests that humans struggle with subtractive thinking. When asked to improve something a Lego-brick structure, an essay, a golf course or a university they tend to suggest adding new things rather than stripping back what is already there, even when additions lead to sub-par results.

Here s Why Our Brains Solve Problems by Adding Things, Not Removing

Here s Why Our Brains Solve Problems by Adding Things, Not Removing 9 APRIL 2021 Have you ever noticed how we usually try and solve problems by adding more, rather than taking away? More meetings, more forms, more buttons, more shelves, more systems, more code, and so on. Now scientists think they might know the reason why.   A study of 1,585 people across 8 different experiments showed that our brains tend to default to addition rather than subtraction when it comes to finding solutions – in many cases, it seems we just don t consider the strategy of taking something away at all. The researchers found that this preference for adding was noticeable in three scenarios in particular: when people were under higher cognitive load, when there was less time to consider the other options, and when volunteers didn t get a specific reminder that subtracting was an option.

People add by default even when subtraction makes more sense

5 hours ago Picture a bridge made of Legos. One side has three support pieces, the other two. How would you stabilize the bridge? Most people would add a piece so that there are three supports on each side, a new study suggests. But why not remove a piece so that each side has two supports instead? It turns out that getting people to subtract whether a Lego block, ingredients in a recipe or words in an essay requires reminders and rewards, researchers report April 7 in Nature. This default to addition isn’t limited to assembling blocks, cooking and writing. Rather, thinking in pluses instead of minuses could well contribute to modern-day excesses such as cluttered homes, institutional red tape and even an overburdened planet, says behavioral scientist Benjamin Converse of the University of Virginia in Charlottesville. “We’re missing an entire class of solutions.”   

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