Well, what's the source for this?

导致这种差异的原因是什么
One thing is men are more violent.

其中一点是男人更加暴力
Simon Baron-Cohen describes violence

西蒙·巴伦·肯恩认为暴力是
as the ultimate act--

终极行为
murder as the ultimate act of a lack of empathy.

谋杀就是缺乏同情心的最极端行为
There's some relationship between how much testosterone you have in your system

而你体内含有多少睾丸酮
and how social you are

你的社交性之间是有关系的
more testosterone, less social.

睾丸酮越多社交性越差
Boys tend to be less empathetic than girls,

男生比女生更缺乏同情心
and there's some evidence,

这有些证据
though it's not conclusive,

虽然不怎么有力
that boys do worse than girls

那就是男生在社会认知理论的思维任务中