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Minimum Desirable Product
Giving an applicant a relevant, challenging task gives the employer a real sense of how this person will approach a problem, how they prioritize to show the most value in a short amount of time, and how they communicate (do they ask for clarification? do they accompany a solution with a thoughtful writeup? do they focus on flash over substance?)
It's also really valuable to the potential employee! Getting to solve a real problem gives me insight into the types of problems I'll be asked to solve. It gives me an opportunity to ask deeper questions - "I see you're facing this specific challenge. What do you think of [technology X]? How have you evaluated [feature Y] before?"
Most companies don't give this type of audition task - presumably, because it IS hard to come up with them. But it's SO worthwhile. Spending 10 hours setting up a task... or being 25% less efficient because you hired the wrong person...shouldn't be a hard choice.
Thank you, thank you for not using "after the jump" - let's ban that for good
Menlo Innovations did a very interactive ;-) presentation at the XP West Michigan user's group which was very interesting. I attended and thought it would be a "write off", but it turned out to be very engaging and thought provoking. The focus of the extreme interview is not a person's skill set, but rather how well the interviewees interacted with their peers. The goal was to find the people that would make their team better.
One very interesting anecdote was that Menlo Innovations would find three separate people that did well on the three different segments of the interview process... and then discover what the three had in common was the same low key, but very effective, partner. THAT is the person to hire. The people to hire are the ones who make the team more effective.
i have a similar perspective with respect to investing in startups, which is simply to do incremental investing at successively larger amounts, and see how the initial period goes. if the company does well, double-down and invest more... if not, then you don't.
the realization is simply that if you can't gain very much knowledge in short-timeframe interviews, then you shouldn't make long-term commitments / decisions based on them. you may miss out on a few folks who won't take anything other than a long-term job offer / larger investment amount, but you probably make fewer dumb decisions (or at least on the dumb decisions you do make, the impact is smaller / shorter).
my $.02,
The problem in reality is that companies won't make hiring managers and teams take a structured approach. They allow teams to 'gut feel' their way through and it shows. I've trained a dozen or more hiring teams on behavioral interviewing systems and, done front-to-back, it improves hiring by quantum leaps. Without it, it's simple to see how employers and new employees can ruin things for each other.
Bad interviewing is like bad dating...no commitment, poor motives, shallow, done with the wrong end goals.
Good interviewing is like good dating...and works time after time to build long-lasting relationships.
(See Watson Wyatt's Human Capital Index; Filene Institute Research among others).
A lot of "Halo effects" in these retrospective studies full of confirmation bias.
1) That they will fit in with and contribute to the existing team and company culture
2) That they are passionate about their career and always want to improve
To ensure these things we involve the team they will work with in the entire interview process. The phone screen is tag teamed by a Manager and Developer, the follow up technical interview is also done by a manager and developer. Finally we bring them to the office and they go through a 3 or 4 hour pair programming exercise with a Developer and Business Analyst.
Interviews alone may not be a good indicator of talent and fit, but the combo we use above has worked very well and we've never been disappointed by anybody we've chosen to hire. However we are definitely A players who only hire A players. I'd rather dismiss 10 A players I wasn't able to identify than accidentally allow any C players on our team, and the entire team agrees with this mentality.
How can a team be committed to being great if they don't even get to participate in choosing new members?
After we raised our round at Posterous, we didn't hire right away. We brought on a few contractors, guys who interviewed *very* well. We were psyched to get them in our code base. And then they failed. Most of them didn't produce anything worthwhile.
So we waited and waited until we found a couple of the smartest guys we've ever worked with, guys we *know* will produce because they already have, as contractors. In fact, this is how I was hired by Apple 7 years ago: intern to full time hire.
Same goes with dating. I have always strongly believed that one should live with their potential spouse before getting married. As you said, it's different when you are spending long stretches of time together. While you might never know someone 100%, the more time you spend with them, the more confident you can be that you will agree on the important stuff that comes along in life.
I learn more about my girlfriend every single day, in a way that's only possible while living together. You can't really know a person when you only see them on date night.
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