Thao is able to correctly solve conservation tasks involving mass but cannot solve conservation tasks involving volume. How would Piaget explain Thao's behavior?

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Piaget would explain Thao's behavior as a result of the concept of horizontal décalage, which means that children master conservation concepts at different rates depending on the specific task and the specific material involved. In this case, Thao may have mastered the conservation of mass but not yet understand the conservation of volume. This is a common occurrence in Piaget's theory of cognitive development.

Thao Is Able to Correctly Solve Conservation Tasks Involving Mass