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> We know that the single best predictor of job success and performance is IQ

I'm not sure a construction company wants a bunch of people with 140+ IQ standing around all day leaning on shovels waiting for gravel to shovel into little holes. I'm pretty sure those employees will just quit or break something on purpose just for something to do. In fact I've seen this with my own eyes.

Maybe you're proposing binning people by IQ instead? Where groups of people who fall in certain ranges of IQs are sorted into different jobs.

But again, I'm not so sure that Walmart wants to hire a shelf stocker with an IQ between 88-95 if that person has oppositional defiant disorder and/or a tendency to steal from their employers.

If you think that you can distill the essence of an entire human down to a single variable and rank them accordingly for jobs, go for it man, but I have a sneaking feeling that it isn't going to work.



There are a ton of people on construction sites with very high IQs that prefer manual labor, physical problem solving or managing divergent teams and contractors to accomplish a project. The notion of clustering people into professions for anything other than their desire to participate in the profession and ability to perform the tasks is a fools errand.


Thanks for this. I'm in Software because that's the best way for me to provide for my family. If I could have my way, I'd be outside working on making things that last longer than a couple of years.


> I'm not sure a construction company wants a bunch of people with 140+ IQ standing around all day leaning on shovels waiting for gravel to shovel into little holes. I'm pretty sure those employees will just quit or break something on purpose just for something to do. In fact I've seen this with my own eyes.

I'm quite convinced that a typical construction site would benefit a lot from employees who would be smart enough to notice inefficient processes and plain mistakes, and take some initiative to fix the problems. And management who would believe the employees, but that is probably never going to happen.




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