The Procedure Known as the "Forbidden-Toy Technique" Involves

The procedure known as the "forbidden-toy technique" involves

A) placing a child in a room where there is an attractive toy and telling him or her not to touch or play with it.
B) placing pairs of children in a room, giving each a toy, and telling them they cannot share or exchange toys.
C) asking a child to choose between a small prize given immediately or a big prize given after a delay.
D) placing a child in a room where there is an attractive toy and shouting "STOP!" whenever he or she touches or plays with the toy.