goo.gl/frQbnq but here is an excerpt from that article which is points right on target.
men tend to be better at muscling their way through this “barrier of newbie shame”. Many studies have shown that women tend to be less confident and less assertive than men, and when the environment is such that you have to be assertive and confident in order to get anywhere, it is no wonder that many choose to give up and choose a different path.....