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Why clever people do stupid things

Having worked on building sites, I know I am slightly lacking on the ‘common sense’ front. If anyone was going to step into a bucket of paint, it was me; fall through a loft, me; I think they only kept me on to help them finish their crosswords.

I just can’t grasp what some of my co-workers take for granted, my common sense memory muscle is weak, but through experience I learned it can be improved (slightly).

Anyway, the contrast between practical and theoretical intelligence (or most likely, just learning) made me seek out a new book by Mats Alvesson and Andre Spicer, called The Stupidity Paradox: the Power and Pitfalls of Functional Stupidity at Work.

In this book they argue that thinking is hard work and asking tough questions can make you unpopular. So it is no wonder that even clever people don’t always use their brains

Everyone knows smart people who do stupid things. At work we see people with great minds make the most simple mistakes. At home, perhaps we live with someone who is intellectually gifted but also has no clue about things. We all have friends who have impressive IQs but lack basic common sense.


For more than 10 years, Spicer and Alvesson had been studying smart organisations, who employed the brightest people. They were constantly surprised by the ways that these intelligent people ended up doing the stupidest things. They found mature adults enthusiastically participating in leadership development workshops that wouldn’t be out of place in a pre-school class; executives who paid more attention to overhead slides than to careful analysis; senior officers in the armed forces who preferred to run rebranding exercises than military exercises; headteachers who were more interested in creating strategies than educating students and healthcare workers who spent more time ticking boxes than caring for patients. No wonder so many of these intelligent people described their jobs as being dumb.

While doing this research, Spicer realised that his own life was also blighted with stupidities. At work he would spend years writing a scientific paper that only a dozen people would read. He would set exams to test students on knowledge he knew they would forget as soon as they walked out of the examination room. He spent large chunks of his days sitting in meetings which everyone present knew were entirely pointless. His personal life was worse. “I’m the kind of person who frequently ends up paying the ‘idiot taxes’ levied on us by companies and governments for not thinking ahead,” he says.

He, therefore, had a personal interest in trying to work out why he and millions of others like him, could be so stupid so much of the time. After looking back at his own experiences and reading the rapidly growing body of work on why humans fail to think, the two authors started to come to some conclusions.

Having a high IQ score does not mean that someone is intelligent. IQ tests only capture analytical intelligence; this is the ability to notice patterns and solve analytical problems. Most standard IQ tests miss out two other aspects of human intelligence: creative and practical intelligence. Creative intelligence is our ability to deal with novel situations. Practical intelligence is our ability to get things done. For the first 20 years of life, people are rewarded for their analytical intelligence. Then we wonder why the “best and brightest” are uncreative and practically useless.

Most intelligent people make mental short cuts all the time. One of the most powerful is self-serving bias: we tend to think we are better than others. Most people think they are above average drivers. If you ask a class of students whether they are above the class average in intelligence, the vast majority of hands shoot up.

Even when you ask people who are objectively among the worst in a certain skill, they tend to say they are above average. Not everyone can be above average – but we can all have the illusion that we are. We desperately cling to this illusion even when there is devastating evidence to the contrary. We collect all the information we can find to prove ourselves right and ignore any information that proves us wrong. We feel good, but we overlook crucial facts. As a result, the smartest people ignore the intelligence of others so they make themselves feel smarter.

Being smart can come at a cost. Asking tricky questions, doing the research and carefully thinking things through takes time. It’s also unpleasant. Most of us would rather do anything than think. A recent study found that when left alone in a room, people preferred to give themselves electric shocks than quietly sit and think. Being smart can also upset people. Asking tough questions can quickly make you unpopular.

Intelligent people quickly learn these lessons. Instead of using their intelligence, they just stay quiet and follow the crowd – even if it is off the side of a cliff. In the short term this pays off. Things get done, everyone’s lives are easier and people are happy. But in the long term it can create poor decisions and lay the foundations for disaster.

Next time you find myself banging your head and asking; “Why are you so stupid?”, try to remind yourself that you are trapped in the same situation as many millions of others: your own idiocy probably came with a payoff.

After all, I am now known as the man who invented the word ‘truffling’ for spreading cement on bricks, even though they won’t let me do it.



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