Four-year-old Kendra cannot understand that a "skinny" glass and a "fat" glass can hold the same amount of juice. She immediately grabs what she perceives as the glass containing more juice and leaves the other one for her little brother. Kendra is in the __________ stage of development and has not yet mastered the concept of __________
A) sensorimotor; object permanence.
B) preoperational; deferred imitation.
C) preoperational; conservation.
D) concrete operations; decentering.

Question

Quizplus · Accepted Answer

Kendra is in the preoperational stage of development and has not yet mastered the concept of conservation, which is the understanding that even if the appearance of an object changes, its fundamental properties remain the same. In this case, she cannot understand that the difference in the width of the glasses does not affect the amount of juice they can hold.

Four-Year-Old Kendra Cannot Understand That a "Skinny" Glass and a "Fat