You have three identically sized crackers. You place two of them in front of you and one in front of a child who is in Piaget's preoperational stage. The child agrees that you have more crackers than he does. If you now break the child's cracker into two equal pieces and ask who has more, he will say:_____.
a. you still have more.
b. he has more.
c. his crackers are smaller.
d. you both have the same.