Alice is sitting at the table with her son Nikko.She takes his tall glass of milk and pours exactly half of it into a shorter wider glass.Then she says,"Honey,which glass has more milk?" Nikko immediately points to the taller glass.This demonstrates that Nikko has not yet mastered
A)theory of mind.
B)transitivity.
C)object permanence.
D)conservation.

Question

Quizplus · Accepted Answer

Nikko's choice shows that he has not yet mastered the concept of conservation, which is the ability to understand that the amount of a substance remains the same even if its appearance is altered (e.g. pouring the milk into a taller glass does not change the amount of milk).

Alice Is Sitting at the Table with Her Son Nikko