Definition Vygotsky’s Cognitive Development Theory postulates that social interaction is fundamental to cognitive development. Vygotsky’s theory is comprised of concepts such as culture-specific tools, language and thought interdependence, and the Zone of Proximal Development. Furthermore, the theoretical concepts presented herein provide part of the foundation for constructivism and have contributed greatly to the restructuring of formal educational systems. SCAFFOLDING u Scaffolding is a process through which a teacher or more competent peer gives aid to the student in her/his ZPD as necessary, and u Tapers off this aid as it becomes unnecessary, much as a scaffold is removed from a building during construction. "Scaffolding refers to the way the adult guides the child's learning via focused questions and positive interactions VIDEO LINK : https://youtu.be/8I2hrSRbmHE