Examples of shield in a Sentence. 1  celebrities who are shielded by a cluster of bodyguards whenever they appear in public. 2  she shielded her eyes from the sun with her hand.
Cognitive development is a part of Psychology which deals with the processes involving a childâs thinking. It studies how children process and gain information at a particular age and how learning mechanisms change and evolve over time.
Jean Piaget. The Stages of Cognitive Development. Piaget's four stages of development occur in infancy, preschool, childhood, and adolescence. Each stage is characterized by a general cognitive structure that affects all of the child's thinking. Each stage represents the child's understanding of reality during that period, and each but the last is an inadequate approximation of reality.