An investigator shows two equally full beakers of water and pours one of them into a tall,thin container.The child says that the thinner container has more water.What does the child lack?
A)Conservation of volume
B)Object permanence
C)Theory of mind
D)Identity achievement

Question

An investigator shows two equally full beakers of water and pours one of them into a tall,thin container.The child says that the thinner container has more water.What does the child lack?​
A)Conservation of volume
B)​Object permanence
C)​Theory of mind
D)​Identity achievement

Quizplus · Accepted Answer

The child lacks the concept of conservation of volume, which means that the amount of liquid does not change even if the shape or container changes. The child perceives the thinner and taller container to have more water because it appears higher, but fails to understand that the amount remains the same.

An Investigator Shows Two Equally Full Beakers of Water and Pours