Just to clarify your clarification, it means in this particular case the authors performed controlled experiments that attempted to account for other factors th

Just to clarify your clarification, it means in this particular case the authors performed controlled experiments that attempted to account for other factors that might explain the difference they found. Of course people have talked about difference between genders since... forever, but women have also experienced a significant amount of very real discrimination and that almost certainly has also had an influence on that narrative.