As a Rule, a Preoperational Child Who Is Asked Which

Multiple Choice

As a rule, a preoperational child who is asked which row of coins "has more" answers that the longer one has more (even if the two rows both have seven coins) . What kind of experience is most likely to enable the child to give the correct answer?

A) First test the child on conservation of weight and conservation of volume tasks.
B) First ask the same question about rows of three coins each.
C) First let the child spend an hour playing with coins.
D) First give the child a lecture about the properties of the number system.