在幼儿园里,男孩总是东奔西跑,冲冲杀杀,有时还争执厮打,甚至欺负女孩子。为什么男孩比女孩更富于攻击性呢?对这个问题,国外的一些科学家做了大量的研究,争论激烈。总的说来,具体的影响因素有以下几点:1.认知发展理论认为:大约在4～6岁,儿童已具备性别恒常性并能性别自认,它是获得性别角 In kindergarten, boys are always running around, rushing and killing, sometimes arguing, or even bullying girls. Why boys are more offensive than girls? To this question, some foreign scientists have done a lot of research and heated debates. In general, the specific impact of the following factors: 1. Theory of cognitive development that: about 4 to 6 years old, children have sex and sexuality can be gender self-recognition, it is access to gender