Studies by Baillargeon and Her Colleagues Using Violation-Of-Expectation Techniques Have

Studies by Baillargeon and her colleagues using violation-of-expectation techniques have provided some evidence that infants' knowledge of objects:

A) most likely develops earlier than 8 weeks of age.
B) most likely develops earlier than 8 months of age.
C) is highly unstable until their first birthday.
D) is most likely the result of specific cultural practices by parents.