This document discusses cognitive development in children during the concrete operational stage according to Jean Piaget. During this stage, children's thinking abilities become more logical and organized. They can apply lessons and think systematically about direct experiences and manipulate objects. Their attention spans increase and they develop better reading, problem-solving, and creativity skills. The document also discusses the impact of media like television on children's aggression and behavior. It emphasizes the importance of guidance from teachers, parents and role models during this stage of development.