Recent Research on Conservation of Number Indicates That __________

Multiple Choice

Recent research on conservation of number indicates that __________.

A) this understanding develops very much when and how Piaget said it did
B) Piaget overestimated numerical understanding in the preoperational stage
C) the appearance of this understanding is discontinuous, as Piaget said, but it happens a year or so earlier than he said it did
D) preschoolers can pass conservation tasks if the number of items is small enough