Suppose a child is shown a set of glass marbles that includes 5 red marbles and 8 green marbles. The child is asked to count the red marbles, then the green marbles, and then all the marbles, which she can do. Although she can answer the question, "Are there more red or green marbles?" she cannot correctly answer the question, "Are there more red marbles than glass marbles?" This situation most clearly demonstrates which of the following concepts?
A) irreversibility
B) egocentrism
C) centration
D) symbolic representation

Question

Quizplus · Accepted Answer

Centration is a characteristic of preoperational thought in which children display an inability to focus on more than one aspect of a situation at a time.

Suppose a Child Is Shown a Set of Glass Marbles