A father and his 4-year-old son are waiting in an exam room when the nurse enters and greets them. Which of the following activities that the nurse observes the boy doing would best demonstrate the primary developmental task of the preschool-age child, according to Erikson?
a) Rough-housing with his father
b) Opening drawers in the room, pulling out supplies, and examining them
c) Reading a book
d) Singing a song he learned at preschool
Answer: Opening drawers in the room, pulling out supplies, and examining them