AP PSYCHOLOGY

Detailed explanation-1: -Sensorimotor stage (0–2 years old) Preoperational stage (2–7 years old) Concrete operational stage (7–11 years old) Formal operational stage (11 years old through adulthood)

Detailed explanation-2: -The concrete operational phase centers around three elements : Conservation and reversibility: Conservation the understanding that objects can change in size, volume, or appearance but essentially remain the same.

Detailed explanation-3: -Kids at this age become more logical about concrete and specific things, but they still struggle with abstract ideas.

Detailed explanation-4: -Centration is one of the reasons that young children have difficulty understanding the concept of conservation. Conservation is the awareness that altering a substance’s appearance does not change its basic properties. Children at this stage are unaware of conservation and exhibit centration.