Part B (Q6): Explain Stages of Piaget's Cognitive Development Theory.

Jean Piaget's theory of cognitive development proposes that children's intelligence undergoes qualitative changes as they grow. Children do not just learn more information; the very way they think changes through four distinct, universal stages.

1. Sensorimotor Stage (Birth to 2 Years)

• Characteristics: Infants learn about the world entirely through their senses (looking, hearing, touching) and motor actions (grasping, sucking, crawling). They live entirely in the "here and now."
• Key Milestone - Object Permanence: The realization that objects continue to exist even when they cannot be seen, heard, or touched. (e.g., A baby realizing a toy is still there when hidden under a blanket).

2. Preoperational Stage (2 to 7 Years)

• Characteristics: Children begin to use language and think symbolically (using a stick as a sword). Their imagination blossoms. However, they lack logical reasoning.
• Egocentrism: They are incapable of seeing a situation from another person's point of view. They believe everyone sees, thinks, and feels exactly as they do.
• Animism: The belief that inanimate objects (like a teddy bear or the sun) have human feelings and intentions.
• Lack of Conservation: They do not understand that altering an object's appearance doesn't change its basic properties (e.g., believing a tall, thin glass holds more water than a short, wide glass, even if they saw the same amount poured in).

3. Concrete Operational Stage (7 to 11 Years)

• Characteristics: A major turning point. Children begin to think logically, but only about concrete, physical events and objects. They struggle with abstract or hypothetical concepts.
• Mastery of Conservation: They now understand that quantity remains the same despite changes in shape.
• Reversibility: They understand that actions can be reversed (e.g., ice can melt into water, and water can be frozen back into ice).

4. Formal Operational Stage (12 Years and Up)

• Characteristics: Adolescents gain the ability to think abstractly and logically about hypothetical situations.
• Deductive Reasoning: They can use general principles to determine specific outcomes ("If A=B and B=C, then A=C").
• Systematic Problem Solving: They can systematically test hypotheses to solve problems, rather than using trial-and-error. They can ponder abstract concepts like justice, morality, and the future.