Gus and Tula each have a glass of juice. Though both glasses have the same amount, Gus's glass is tall and narrow, and Tula's glass is short and wide. When Tula looks at the glasses, she gets upset because she thinks that Gus got more juice than she did. According to , Tula lacks an understanding of .

Piaget; conservation                        

Explanation:

Conservation: In psychology, the term "conservation" is described as a person's "logical thinking" capability that allows him or her to demonstrate that a specific quantity would remain same or similar irrespective of the adjustment related to the size, container, or shape.

The concept of conservation was first introduced by a psychologist named Jean Piaget in his theory of cognitive development.

In the question above, the given statement signifies Piaget's concept of conservation.

b) the bill goes to the president.

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