Kaya's satisfaction BEST demonstrates a lack of conservation.
One of Piaget's developmental successes in conservation is where the kid comprehends that altering the shape of a material or item does not alter its quantity, general volume, or mass. Between the ages of 7 and 11, this achievement comes during the operational stage of development.
When there are multiple different-sized glasses of juice on a table, for instance, and youngsters choose the tallest glass because they believe it to contain more juice, you can frequently witness their lack of conservation in action (even though the tallest glass may also be the thinnest). Even though all the glasses may contain the same amount of juice, kids who haven't learned about conservation will think the tall glass is the most full.
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