Jay and Justin each have a stick of gum. Eight-year-old Jay stretches his stick until it is much longer. Five-year-old Justin begins to cry because he thinks that Jay has more gum than he does. Justin lacks
A)animism.
B)object permanence.
C)conservation.
D)egocentric thought.

Question

Quizplus · Accepted Answer

Justin lacks conservation, which is the understanding that quantity does not change despite changes in shape or appearance. This concept is typically developed during the concrete operational stage of cognitive development, according to Piaget.

Jay and Justin Each Have a Stick of Gum