You have been a lifelong smoker, but you quit at the end of last week because you know how damaging it is to your health and you do not want to be a bad influence on your son, who is a toddler. You walk into your son's room and find him acting like he is smoking with a crayon. According to Piaget, what is your son doing?

a. secondary circular reactions
b. deferred imitation
c. object permanence
d. action memory

Answer: B