Cognitive psychology: Bruner, Piaget and VygotskyChoose one of the following and compose a discussion post. The post should follow the guidelines within the syllabus. Be sure that your post represents your understanding of the material as well as your critical thinking skills. You must address EACH question/statement within your choice. APA format is required (including in-text citations/references). This discussion is worth 10 points.1. Identify and discuss Bruner’s three levels of representation. (Please DO NOT simply provide definitions). How do the theories of Bruner, Piaget and Vygotsky differ?2. Identify and discuss Piaget’s four stages of cognitive development. How do the theories of Bruner, Piaget and Vygotsky differ?3. Discuss Vygotsky’s Zone of Proximal Development. How do the theories of Bruner, Piaget and Vygotsky differ?