This should be an interesting sociology experiment. As described in this NYT article, Sweden has successfully made a number of changes to minimize cultural gender differences, including heavily incentivizing paternity leave. After 30 years of aggressive policies, it seems that a lot of their changes are reaching fruition.
There are of course biological differences between men and women, and these biological differences include some mental differences as well. However, it's very hard to attribute these differences to genetics when virtually every society you can study has very strongly stereotyped cultural roles for men and women. This is why I'm so excited about Sweden's efforts in this area -- it will give us a chance to see how men and women behave in as close to a gender-neutral environment as possible. The results should be interesting.
There are of course biological differences between men and women, and these biological differences include some mental differences as well. However, it's very hard to attribute these differences to genetics when virtually every society you can study has very strongly stereotyped cultural roles for men and women. This is why I'm so excited about Sweden's efforts in this area -- it will give us a chance to see how men and women behave in as close to a gender-neutral environment as possible. The results should be interesting.