A Child's Performance on the Conservation-Of-Volume Task

Multiple Choice

A child's performance on the conservation-of-volume task

A) improves with age,but cannot be improved by observational learning
B) can only be improved through observational learning if the child is at an age where he or she is just about to improve anyway
C) can only be improved through observational learning if the adult model gives a verbal explanation of her behavior to the child
D) none of the above