A while back Tim Chevalier that I seem to feel the need to keep signal boosting. It's about the problems with using hobbies as a factor when hiring people. I recommend reading the whole thing, but allow me to quote a relevant section:
[...] if you decide someone isn't worth hiring because they don't have "interesting" hobbies, what you're really saying is that people who didn't come from an affluent background aren't interesting. That people with child care or home responsibilities aren't interesting. That disabled people aren't interesting. That people who have depression or anxiety aren't interesting. That people who might spend their free time on political activism that they don't feel comfortable mentioning to a stranger with power over them aren't interesting. That people who, for another reason, just don't have access to hacker spaces and don't fit into hobbyist subcultures aren't interesting.
Essentially the point is that hiring based on hobbies selects for people who are from a similar background to you.
You see, the problem is that the answer to the question of whether this is effective or exclusive is that it's both. Hobbies are in many ways a really good signal of an active mind which will engage well with the job.
The problem is that they are also a signal that the person has the time and energy to pursue those hobbies.
Amongst people who have the lack of commitments and routinely have the mental energy for it, it may be that there is a very strong correlation between hobbies and competence (I'd actually place bets that it's significantly less strong than we like to believe it is, but I have no data so I'm not going to speculate too wildly on that front. Lets assume for the sake of the argument that popular wisdom is correct here).
The problem is that hobbies are a form of false proxy. We're unable to perform the test that would really allow us to determine someone's competence (that is to say: Hire them and work closely with them for a couple years in a variety of different scenarios), so instead we pick something which we can easily measure and appears to be a good signal for it.
And how did we learn that it was a good signal?
Well, by looking around us. Look at the people we know that are good. If we're feeling very virtuous we can look at the people we know are bad and actually compare differences rather than just falling into the "good people do X. Therefore X is good" fallacy.
The problem is that you're looking at a very small population, and when you do this you're necessarily massively over-fitting for the data. When you create tests based on your observation of your current in-group you end up creating tests that work very well for people who look like the data you're modelling and at best perform more noisily for people outside it, but more likely actively penalise them.
Why? Because this is where privilege comes in. (Note: Privilege in this context is . If you feel the need to comment something along the lines of "How dare you call me privileged? I worked hard to get where I am!" etc justdon't. Please).
The problem is that the advantages you have are mostly ones you don't see. Because most of society's advantages don't come in terms of people giving you a leg up (certainly some do, but we tend to be more aware of those), they come in the form of things you don't have to worry about. You may not have to worry about the constraints of chronic illness, of dependants, of currently being in a position where money is tight. It's hard to notice the absence of something you've never experienced, and consequently you often don't notice these group advantages. This is especially true because even if some people experience it at the individual level, as a group we're a fairly privileged lot and so most of our group behaviours will lack these constraints.
There's another way these false proxies can creep in. There have been a bunch of discussions about the myth of the recently. I also had some interesting conversations about various beliefs about programming on Twitter (mostly with and I think). Underlying both of these is a common question: What do we mean by programming ability?
Well, it's obvious of course. Programming ability is being good at the things that I'm good at. Those things I'm not good at? Yeah I suppose some of them are kinda important, but not nearly as much.
This is a less egotistical viewpoint than you might think it is. Certainly some people believe this because they're full of themselves, but it's entirely possible to accidentally finding yourself believing this with the best intentions in the world.
How?
Well, what are the things you work at getting better at?
Right. The things you think are important. So it's not just that people think things they are good at are important. It's also that people work to get good at the things they think are important.
So what do you do when you want to decide how well someone will contribute to a team? You look at how good they are of course.
That ishow much they're good at the things you're also good at.
Or how much they look like you.
Oh, you'll still choose people with complementary skills. I don't think many of us fall into this trap so overtly as to only hire people with the exact same skill set as us. But step up a level, there are the meta qualities. Things like passion about technology, reliability, being able to think through problems quickly, ability to communicate well and confidently, etc. Certainly these are some of the things I value. Coincidentally they're things I also think I do quite well in. Funny that, huh?
Ultimately what we're selecting for when hiring isn't actually about the individual we're hiring. What we really want to know is if the addition of this person to the team will make us better in ways we need to be better.
But we can't ask that, because we don't know how. So instead we invent these tests which we think provide good proxies for asking it.
But many of these tests are false proxies which are really testing how similar they are to us.
And then we act surprised when our whole team looks like us, and we claim that well it's just what the tests show all the best candidates looked like and we have to accept the reality.
What a lovely meritocracy we work in.
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