Two children are in the same stage of cognitive development and both can't solve problems involving conservation of number. However, when one of the children is given assistance, she is able to correctly solve such problems. When the other child receives the same help, he is still unable to solve them. This example best demonstrates:

Question

Quizplus · Accepted Answer

The proximal zone of development is the difference between what a child can do independently and what they can do with assistance. In this example, one child is able to solve problems with assistance, while the other is not. This suggests that the first child is in the proximal zone of development for this task, while the second child is not.

Two Children Are in the Same Stage of Cognitive Development