Researchers Like Baillargeon Have Found That Infants' Perceptual Abilities Are

Multiple Choice

Researchers like Baillargeon have found that infants' perceptual abilities are highly developed much earlier than Jean Piaget proposed.These researchers conclude that infants see objects as bounded,unitary,solid,and separate from their background definitely by _____ of age.

A) eight to nine months
B) one to two months
C) three to four months
D) five to six months