Three-month-old Everett sucks vigorously on a breast when he is eating a meal, pressing the nipple against the roof of his mouth to maximize the milk in his mouth. He sucks firmly and rhythmically when sucking on a pacifier to fall asleep, with less pressure from his tongue. These sucking adaptations imply that Everett is in Piaget's stage _____.
A) one
B) two
C) three
D) four

Question

Quizplus · Accepted Answer

Piaget's stage two is the sensorimotor stage, which begins at birth and lasts until around age 2. During this stage, infants develop an understanding of cause and effect through interactions with their environment. Everett's adaptation of pressing the nipple against the roof of his mouth indicates that he is in the sensorimotor stage and is learning to coordinate his movements and adapt to his environment.

Three-Month-Old Everett Sucks Vigorously on a Breast When He Is