Earlier quoted context omitted.
A big long list of relevant but subjective traits is a perfect vector for bias to creep in. Take what you call "poker face", for example - how do you measure openness? By how well they make small talk? What if they're just nervous because of the interview; what if they experience social anxiety; or what if they're just an introvert, and don't tend to be open around new people? For a less trivial example, take "resour…
I agree about the possibility of bias creeping in. On the other hand, humans are biased, so understanding how to hire for success within your own (or your organization's) biases is useful. Some people would want the opposite candidate to the one I described. Resourcefulness is more of a mindset. New parent? OK, what have you discovered about childrearing that you didn't anticipate? What will you do differently next t…
I like the attributes you're probing but I'd keep it within the context of engineering and programming if that's what you're hiring for. That's part of the reason open source and github projects are such strong signals in hiring.