When parents and teachers engage in scaffolding practices, they are supporting which of the key principles of optimal word learning during the intuitive thought substage of preoperational thought, children begin to use and want to know the answers to all sorts of questions.

Explanation:

Education that focuses on the typical developmental patterns of children (age appropriateness) as well as the uniqueness of each child (individually appropriateness). Such practice contrasts with developmentally inappropriate practice, which ignores the concrete, hands-on approach to learning. For example, direct teaching largely through abstract paper-and-pencil activities presented to large groups of young children is believed to be developmentally inappropriate.