When a developmental scientist presents two identical glasses with liquid at the same level, the child study participant agrees that both contain the same amount of liquid. Next, when the liquid is poured from one of the short, wide glasses into a tall thin glass, the concrete operational child concludes that

Question

Quizplus · Accepted Answer

Concrete operational children have developed the ability to understand conservation, meaning that they understand that certain physical characteristics of an object (such as its shape) can remain the same even if its appearance changes. In this case, the child should recognize that the amount of liquid in the shorter, wider glass has not changed even though it looks like less in the taller, thinner glass. Therefore, the child would conclude that both glasses have the same amount of liquid.

When a Developmental Scientist Presents Two Identical Glasses with Liquid