Chapter 3 of the document discusses cognitive learning theories, emphasizing Piaget's stages of cognitive development, including sensorimotor, preoperational, concrete operational, and formal operational stages, along with key concepts like assimilation, accommodation, and equilibration. It also presents Vygotsky's sociocultural theory, highlighting the role of social interaction and language in cognitive growth, as well as the importance of the Zone of Proximal Development (ZPD) and scaffolding for effective learning. Additionally, it covers information processing theory, detailing memory functions and processes, and introduces problem solving and creativity, defining problem types and approaches in cognitive processing.