According to Piaget, 4-Year-Olds Cannot Solve a Conservation-Of-Liquid Problem Because

Multiple Choice

According to Piaget, 4-year-olds cannot solve a conservation-of-liquid problem because they

A) focus on the height of the water, failing to realize that changes in width compensate for the changes in height.
B) do not notice the difference in appearance between the water levels in the two glasses.
C) have limited experience with the task materials.
D) do not understand the point of the question, "Which glass holds more water?"