Recent Research on Infant Cognition Suggests That Infants Appear to Form

Multiple Choice

Recent research on infant cognition suggests that infants appear to form internal representations of the world and to know that objects are solid and do not disappear when out of view

A) as young as three months of age.
B) only after a lengthy sensorimotor stage.
C) only after speech has progressed beyond its earliest stages.
D) around 18 months of age.