Which sequence lists Piaget's four stages in the correct order, with a representative characteristic for each stage?

• A. Sensorimotor (object permanence); Preoperational (egocentrism, symbolic thinking); Concrete operational (conservation, logical thinking about concrete objects); Formal operational (abstract reasoning)
• B. Sensorimotor; Concrete operational; Preoperational; Formal operational
• C. Preoperational; Sensorimotor; Formal operational; Concrete operational
• D. Sensorimotor (egocentrism); Preoperational (object permanence); Concrete operational (conservation); Formal operational (abstract reasoning)

Answer: (A)