Nine-Year-Old Dakoda Realizes That the Quantity of Water in a Glass

Multiple Choice

Nine-year-old Dakoda realizes that the quantity of water in a glass remains the same, even when the water is poured into a different shaped glass and appears to look like more or less. In Piaget's terms, Dakoda has developed

A) conservation.
B) assimilation.
C) accommodation.
D) object permanence.
E) centration.