Final answer:
According to Vygotsky, the zone of proximal development is the range of skills that a child can perform with the help of a more skilled person.
Step-by-step explanation:
The zone of proximal development was Vygotsky's term for the range of skills that a child can carry out only when they have the help of a more skilled person. It refers to the tasks that a child can achieve with guidance and support from someone more knowledgeable. For example, a child may be able to solve simple math problems independently, but with the guidance of a teacher or tutor, they can solve more complex math problems.