Piaget regarded __________ as an important achievement of the concrete operational stage because it provides clear evidence of __________.

Question

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Piaget believed that conservation was an important achievement of the concrete operational stage because it involves understanding that certain properties of an object, such as its amount, mass, volume, or number, remain the same despite changes in its appearance or arrangement. This ability to conserve provides clear evidence of mastery of operations, which are the logical mental actions that allow children to mentally manipulate, transform, and organize information in a systematic way. In contrast, the other options are also important cognitive skills that emerge in different stages of development, but they are not specific to the concrete operational stage. Seriation, for instance, refers to the ability to arrange objects in a series according to a specific dimension, such as size, weight, or length, and relies on the use of comparison, sequencing, and transitivity. Classification, in turn, involves grouping objects based on common features and involves the use of hierarchical categories and subclassification. Finally, transitive inference refers to the ability to deduce a relationship between two objects by comparing each of them to a third, intermediary object based on a common dimension or attribute, whereas class inclusion refers to the understanding that objects can belong to multiple categories simultaneously.

Piaget Regarded __________ as an Important Achievement of the Concrete