At the park with your toddler, he sits and watches the older children play with their sand buckets in a way your child has never seen before

A few days later, you bring your child back to the park and he plays with his toys the same way the older kids played with theirs days earlier. According to Piaget, what is your son doing?
a. secondary circular reactions
b. deferred imitation
c. object permanence
d. action memory

B. Piaget would say that the son is engaging in deferred imitation, which is the ability to repeat actions observed at an earlier time.