Callie Is 5 Months Old

Multiple Choice

Callie is 5 months old. She sees her mother's cell phone and reaches for it. Callie's mother understands the progression of object permanence, so she realizes that the easiest way to protect her phone and to keep Callie from getting upset is to _____.

A) give the phone to Callie to play with
B) place the phone out of Callie's sight
C) tell Callie "no" in a stern voice
D) give Callie something else to play with