Even though children in the concrete operational stage have a well-established concept of object permanence, they still tend to struggle a great deal with problems involving conservation of volume and number.

Question

Quizplus · Accepted Answer

Children in the concrete operational stage (ages 7-11) have developed the ability to understand conservation of volume and number, which is a key characteristic of this stage.

Even Though Children in the Concrete Operational Stage Have a Well-Established