Researcher Wil Portegijs says that this is caused by the fact that women work part time more often. Part time mostly means fewer publications, and researchers are judged by this. Hence her proposal to assess scientific output in relation to the extent of the employment, which does not happen now. There is no reason at all to assume that women are less intelligent, so no loss of quality. The university may function better with more women.
Women do have a different management style.
He mentions intuition and the social component as characteristics. His impression is that women are less inclined to score points quickly and rather have an eye for the long term. Availability, spending sixty hours or more on work are implicit demands still associated with a top function. Therefore, Hoogsteder thinks, organisations and companies take a reserved attitude towards women. They don't want any fuss with pregnancy leave and working less afterwards.