成年人可以清楚地判断,哪些东西是有主人的,哪些东西是没有主人的,那么儿童对物主的判断是怎样的呢?科学家最近对3岁的儿童进行了研究,他们给儿童观看叉子、熊玩具、卡车等人造物品的图片,同时也给儿童看树叶、贝壳、岩石等自然物体的图片。当科学家问儿童,这些东西是否 Adults can clearly determine what is the owner and what is the ownerless, then what is the judgment of the child against the owner? Scientists have recently conducted a study of 3-year-olds who watch children watch forks, Bear toys, trucks and other artifacts pictures, but also to children to see the leaves, shells, rocks and other natural objects pictures. When scientists ask children, are these things