Mom Billie and dad Bob are discussing the abilities of their two-month-old son Thorton. Billie claims that Thorton can recognize both of his parent's voices. Bob says that Thorton cannot recognize either voice. If Thorton is a typical two-month-old, then who is correct?

Question

Quizplus · Accepted Answer

Infants as young as two months of age have been shown to differentiate their mother's voice from the voice of a stranger, but not necessarily their father's voice. Therefore, it is likely that Thorton can recognize Billie's voice but not Bob's voice. Neither Billie nor Bob's statements are fully correct.

Mom Billie and Dad Bob Are Discussing the Abilities of Their