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Why You Should Ignore Google's Interview Questions

A recent article in "The Business Insider" here reveals some of the questions Google uses to interview applicants. Google's smart, right? So, we should emulate Google?

A sample of the questions:

* How many golf balls will fit inside a school bus

* How much should you charge to wash all the windows in Seattle

* A man pushed his car to a hotel and lost his fortune. What happened?

Feel stupid yet? Well, that's part of the title for the linked article. Let's stipulate (as the lawyers say) that Google's questions will indeed reveal really smart people. But is that all we're looking for?

What about the ability to translate that raw brain power into a product that provides value? What about the issue of whether anyone can live with the fact that the brainiac in the other cube showers only on days not ending in "y"? Or that she's so abrasive that customers that interact with her leave for another company?

I don't mean to disparage intelligence. It's a wonderful thing. If you don't believe me, start hanging around people sorely lacking in this area and you'll claw at the walls for relief. (If you're not sure where to look for such people, you might want to find some local homeopathic remedy groups. Lacking any in your area, search for a religion that involves spaceships.) But is it enough? Or is it so valuable that it trumps all other concerns?

I don't think so. To work in an area like programming, one must certainly be smart...enough. But once this hurdle is passed, for most programming jobs, other considerations become more important. Hiring a really smart person who can come up with amazing algorithms but has a poor work ethic, who can't deliver on time and on budget is a short road to failure. A single, really smart person is akin to an extremely powerful processor. There's a limit to how fast such a processor can be. But distribute the same problem to multiple, less-impressive processors and you may get the results you're looking for faster.

My brother once remarked about a noted luminary: "She may be smarter than any of us, but she's not smarter than all of us." And he should know: after all, he's smarter than I!

Comments
Matt Darby's Gravatar When I go into a hiring situation one of the first questions I try to answer is how will this person help and benefit this team. The answer to that goes beyond just their analytical ability as a developer. For Google they might feel like they have to weed out all the requests they receive but, I would hope the answers provided to these questions go beyond the ability to provide the correct technical answer.

I agree with you in terms of not evaluating for intelligence alone. I have to evaluate based on the needs for the situation we are hiring for. So I adjust my questioning not only for the technical level of the position but also how the current team is made up and how that person provides value to the company and for our clients as well.
# Posted By Matt Darby | 12/5/09 7:59 PM
Justin Scott's Gravatar There was a book a while back called "How Would You Move Mount Fuji?" which explored this "puzzle" style of questioning at Microsoft. I certainly wouldn't base my decision entirely on someone's answers to these sorts of questions (punctuality, ability to complete work on time, and hygiene are certainly important attributes as well). These kinds of questions can point out the more creative thinkers from those who aren't. I was involved in a hiring process with one of my employers and threw in a couple of these types of questions along with the regular technical stuff just to see how they would react. Some candidates would get a blank look and just say "I have no idea" and had to be dragged, kicking and screaming, through some creative thought processes. Others jumped right in and started to dream up ways they could possibly figure a solution. I know who I'd rather have on my team. Sure, they're silly, but I wouldn't discount them entirely when looking for someone who needs to have some creative problem solving skills.
# Posted By Justin Scott | 12/5/09 8:35 PM
stealth's Gravatar In the very last sentence, it should be "is smarter than me", not "smarter than I" . :-)
# Posted By stealth | 12/7/09 6:59 PM
Hal Helms's Gravatar @stealth Ha! You've fallen prey to the "that doesn't sound right" syndrome. Actually "smarter than I" is correct. The omitted word is "am" and in "smarter than I am".

Don't mess with a language Geek...
# Posted By Hal Helms | 12/7/09 7:01 PM
Julian Halliwell's Gravatar "He's smarter than I"
"He's smarter than me"

Actually both are correct, depending on whether you are a "conjunctionist" (Hal) or a "prepositionist" (stealth). Personally I've always been a prepositionist ("than" is preposition in a single clause with the first person pronoun as object, therefore "him"), but I can see the merit of the conjunctionist argument, especially in cases where there may be ambiguity:

She likes ColdFusion more than me.
She likes ColdFusion more than I.

The second doesn't sound right to me (to I?), but is less ambiguous.

But "not sounding right" is important: most people would say/write "than me" not "than I", and grammar is there primarily to "describe" what the majority of people do at a point in time.

Hmm. Maybe best to avoid questions on English grammar in interviews... Got a feeling Hal wouldn't be offering me the job.
# Posted By Julian Halliwell | 12/8/09 6:39 AM
Hal Helms's Gravatar WHat an enlightening comment. I didn't realize it could be either. And I'd be much MORE inclined to hire someone who is both knowledgeable and passionate about good communication!
# Posted By Hal Helms | 12/8/09 7:45 AM
Julian Halliwell's Gravatar Thanks, Hal, that's reassuring to know. Mind you I'm not so passionate about grammar that I don't make mistakes: the first person object pronoun is "me" of course not "him".
# Posted By Julian Halliwell | 12/8/09 8:25 AM
stealth's Gravatar Thanks Julian. That was quite enlightening. I had no idea that both were correct. Good to know!!
# Posted By stealth | 12/9/09 5:45 PM
Jamie Krug's Gravatar I really like what Aaron Swartz's "How I Hire Programmers" outlines here:
http://www.aaronsw.com/weblog/hiring
# Posted By Jamie Krug | 12/13/09 11:18 PM
 
   
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