There are, in fact, certain places where women now dominate the community, such as in Fanfiction sites, Soap Opera boards, Facebook, LiveJournal (particularly Livejournal Roleplay) or MySpace. As such, this is mainly a Discredited Trope these days.
I'd like to nominate ChrisF. He knows the SE system well, as he's a 10k user on three sites (SO, MSO, and SU). He's participated in both the main site and here on meta. He of course has to accept my nomination ...
For a successful experience, not just for the site but for the question asker, the important thing is to isolate what the actual problem is that help is required for.