Why women fail technical interviews: it's not bias, it's quitting

View profile for Aline Lerner

Founder of interviewing.io (anonymous mock interviews for software engineers). Author of Beyond Cracking the Coding Interview (the sequel to CtCI). MIT lecturer.

Women fail technical interviews significantly more often than men. We have the data. But the reason is not what you think. It's not bias against women. And it's not that women are worse coders. Story time! Years ago, we built voice modulation at interviewing.io, and we ran an experiment. We made women sound like men, and men sound like women. If bias was the problem, masking gender should have fix the performance gap. It didn't. Pass rates stayed exactly the same. So we dug deeper. It turned out women were leaving the platform after bad interviews at much higher rates. After one failure, women were 7x more likely to quit. After two failures, the remaining women were 3x more likely to quit than their male counterparts. (See the graph below.) When we filtered out men and women who quit after failures, the gender gap disappeared completely! If you grew up thinking you belonged in tech, one bad interview is just noise. If you spent years fighting imposter syndrome, one rejection confirms your worst fears about yourself. The solution isn't to eliminate technical interviews. It's to understand that everyone fails these things randomly. (In fact only 25% of interviewees perform consistently from interview to interview.) It's to internalize that interviewing is a numbers game. And it's to practice so it ends up being a game you can win. P.S. I don't care about diversity for sake of diversity. I care about using good data to level the playing field for smart people, no matter who they are or where they come from.

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Aline Lerner

Founder of interviewing.io (anonymous mock interviews for software engineers). Author of Beyond Cracking the Coding Interview (the sequel to CtCI). MIT lecturer.

5d
Esco Obong

Senior Software Engineer @ Airbnb

5d

Reminds me of how I've seen some engineers from underrepresented backgrounds reject interview opportunities when reached out to directly by recruiters at very desirable companies like Google because they felt like they can't pass the interview.

John Lakness

High-Performance Algorithms in Cryptography and Machine Learning

3d

If those were two groups not defined by gender, and/or it was a gender-balanced career field, what would your explanation be? In this case, you observe a behavioral pattern, use data to disprove one gender-based cognitive model explanation, and then posit a new emotional explanation that is not supported by data. If there was no gender identified in the study, just two groups, what would the simplest explanation be? I would suggest rational economic factors: cost, benefit, alternatives. If the benefit is the same, and the cost is the same when conditioned by fail rates, then the alternative opportunities between the groups is the best explanation. Note that the superior alternative could be an actual job rather than interview practice. The simplest rational explanation is that young women with computer programming skills, as a group, have better career or even just life options for how to spend their time than men at the same skill level in that career field. The gendered cognitive model explanation reads like emotional weakness, and I doubt it holds up under scrutiny.

What does it mean to pass interviews consistently? Each reasonable position has dozens or hundreds of applicants. Consistently is probably more like 30-50% success rate.

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Ashik Uzzaman

Strategic Leader | Build & scale high performing teams | Aligning technology initiatives with executive goals | ex-Salesforce/Adobe/Roku

2d

Really interesting insights Aline Lerner! Does this suggest male job seekers have more grit, or that they’re able to maintain their confidence level despite failures for a longer time or both as these might be related?

I'm legit afraid to comment on this but like... Are you saying men and women, on average, make different choices? Because I remember a guy getting very loudly fired from Google for saying that...

Jon Palmstrom

Helping senior leaders in banking, finance & tech move beyond job titles and bonuses to create a story of confidence, freedom and adventure in both career and life 🏂

2d

Listen up tech leaders and my inhouse recruiter brothers and sisters…

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Steve Branam

Sr. SDE at Amazon Robotics

3d

Interesting. Interviewing in my experience has definitely been a matter of keeping at it until you succeed. It took me 6 tries over 11 years to get into Amazon, each time in a different organization. You have to build up a high tolerance for rejection (although these days that seems to be taken to an unreasonable extreme).

Jeremy Nicoll

Systems Developer and Leader. Gardener.

2d

It could be that women and men are taught to handle rejection differently. I'm reminded of a few anecdotes were f2m people tried dating and were shocked by how much rejection they dealt with, only to find out that it's completely expected for males.

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