Diego Is 3 Years Old

Multiple Choice

Diego is 3 years old. His mother pours him and his elder sister orange juice. Because his mother does not have two glasses of the same size, she pours his sister the juice in a taller glass than his. Though both glasses have the same amount of juice, Diego starts to cry because he think his sister has more juice. In the context of cognitive development in early childhood, this scenario illustrates the concept of

A) egocentrism.
B) centration.
C) animism.
D) imitation.