Concept:Scaffolding refers to the temporary support provided by a teacher or more knowledgeable person. This support is adjusted in both amount and type to match the child's current learning needs.Explanation:Vygotsky emphasized social interaction in learning. Scaffolding is support that changes over time. As the child becomes more skilled, the helper reduces the quantity of support. Also, the helper changes the quality—for example, moving from direct instruction to hints. This makes the child gradually independent. Scaffolding does not only change quantity or only quality; it changes both.Answer:Option A: entails changing the quantity as well as the quality of the support provided to the child.