Five-year-old Marco complains that his slice of cake is smaller than Maria's, his 10-year-old sister. But she explains, "Look, your slice is skinnier, but it's taller. So we really have the same amount." Which aspect of concrete operational reasoning does Maria's explanation use?

Question

Quizplus · Accepted Answer

Maria's explanation uses decentered thought, which is the ability to consider multiple aspects of a situation. She is recognizing that although the slices differ in shape, they have the same volume.

Five-Year-Old Marco Complains That His Slice of Cake Is Smaller