A Group of 2-Year-Olds Watch Through a Window While a Live

A group of 2-year-olds watch through a window while a live adult hides an object in an adjoining room.Another group watches the same event on a video screen.Which of the following is likely to occur?

A) Children in the direct viewing condition will retrieve the toy easily, while those in the video condition will have difficulty.
B) Children in the video condition will retrieve the toy easily, while those in the direct viewing condition will have difficulty.
C) Both groups of children will have difficulty retrieving the toy.
D) Children in both groups will be able to retrieve the toy easily.