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blfrtoday at 9:26 AM1 replyview on HN

If you ask them beforehand, you get a self-selecting sample, biasing your result. You get better results by not asking them.


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inanothertimetoday at 9:46 AM

Sure, you're right.

I was rather commenting on the tone that Thoughtworks decided to "take 10 engineers and put them in one room". I took that wording literally, imagining how they grabbed these 10 engineers with a big hand and dropped them off where they wanted them to develop their airline IROps system.