If the interviewer knows the candidate uses a given editor/OS/language when making the determination, I'd interpret these statistics as suggesting that your interviewers may be using these as proxies for the competence of the candidates. That might be a hard bias to correct for without hiring Java developers to interview Java developers, Windows users to interview Windows users, etc.
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If the interviewer knows the candidate uses a given editor/OS/language when making the determination, I'd interpret these statistics as suggesting that your interviewers may be using these as proxies for the competence of the candidates. That might be a hard bias to correct for without hiring Java developers to interview Java developers, Windows users to interview Windows users, etc.