And this is the Piagetian theory in very brief form.

这就是皮亚杰理论的大体内容

心理学导论课程节选 : 耶鲁公开课

And to start with some real examples, a lot of this infant research has gone back to the Piagetian question of object permanence, asking, "Is it really true babies don't know that objects remain even when they're out of sight?"

下面给大家介绍一些实例,许多的婴儿研究都回到了,皮亚杰的客体永存性问题上,去探讨,"婴儿是否真的不知道,物体即使离开视线也仍然是存在的"

心理学导论课程节选 : 耶鲁公开课