Grace has chosen to stay at home and raise her three young children, but feels incapable of giving all three the attention they want from her. Which of the following terms best describes Grace's dilemma?

In the final stage of sensorimotor intelligence, toddlers begin to anticipate and solve simple problems by using ______ combinations

Fill in the blank with correct word

When asked to recall single-digit numbers presented in various digit span sizes, the typical adult would probably start to encounter difficulty once they got past ________ digits

A) 3 B) 4 C) 5 D) 7