Veruca's Mother Is Buying Breakfast Cereal

Multiple Choice

Veruca's mother is buying breakfast cereal.Even though there is more cereal in the wide plastic containers than in the tall,thin boxes,Veruca cries,"I want the box,Mommy,because I want more!" According to Piaget,Veruca has not yet mastered ____,which means she is probably in the ____ stage of cognitive development.

A) conservation; concrete operational
B) conservation; preoperational
C) object permanence; concrete operational
D) object permanence; preoperational