[Idontknowmyuser]

a - Women have a higher capacity at empathy (https://www.ncbi.nlm.nih.gov/pubmed/19476221)

b - higher capacity of empathy might be in part to biological: "Testosterone may reduce empathy by reducing brain connectivity" http://www.psypost.org/2016/03/testosterone-may-reduce-empat...

c- people who have a higher level of empathy might be interrested in fields which need a higher level of empathy, or seek to join fields that directly interact with people [ I don't have a source for this one. It seems logical to me, but it is unproven. if you know a study that proves or disproves it. Please link it]

d - higher levels of women interessted in other fields leads to less women interrested in tech