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胡卓恺
"Here’s another study by Rene Baillargeon looking at the same thing in a different way. You show the baby, say a six-month-old, a stage with a block on it. Then a screen rises and obscures the block. Now, if the babies expect the block to still be there, they should think the block should stop the screen. On the other hand, if out of sight out of mind, they should expect the screen to keep going. So, what you do is you set up a couple of displays, one where the block is stopped, the other one where you take this away with a trap door and it keeps going. And, as you see, the baby screams when this happens. That doesn’t really happen, but they do look longer."