Friday, October 24, 2014

Why Google's Job Interviews Never Last More Than 30 Minutes

Richard Feloni at Business Insider explains:
As a hiring manager, if you research a job candidate and ask the right questions, there's no reason the interview should last longer than 30 minutes, Google chairman Eric Schmidt and former VP of product Jonathan Rosenberg write in their book How Google Works.

"The shorter interview time forces a conversation that's more protein and less fat," they write. "There's no time for small talk or meaningless questions. It forces people, including (especially!) you, into a substantive discussion."...

It wasn't always that way.

"One time, in our early days at Google, we interviewed a particular candidate over 30 times, and we still couldn't decide if we wanted to hire him," the authors write.

Schmidt and his team decided that they were going to track interviews to maximize efficiency.

They found that after one interview, interviewers were ready to make a decision about 75% of the time. Decision-making ability gradually rose to 85% after four interviews and then plateaued. They decided to round up to limiting interviews to five, since computer scientists appreciate that five is a prime number, Schmidt and Rosenberg joke.

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