4 Stages of Cognitive Development – by Jean Piaget
Four Stages of Cognitive Development as Formulated by Jean Piaget are: 1. Sensori-Motor Stage 2. Preoperational Stages 3. Concrete Operational Stage 4. Formal Operations Stage. 1. Sensori-motor Stage: This stage ranges from birth to 2 years. During this stage, the child interacts with his environment through sensory and motor activities. It learns to improve its movements through trial and error. [...]