According to Piaget's Cognitive Developmental Theory, which aspect of development was the primary focus of his research?

• A. Moral development
• B. Physical development
• C. Cognitive development
• D. Emotional development

Answer: (C)

Verified step by step guidance

1. Understand that Piaget's Cognitive Developmental Theory centers on how children develop thinking and reasoning abilities over time.
2. Recognize that Piaget focused on the processes of acquiring knowledge, problem-solving, and understanding the world, which are all aspects of cognitive development.
3. Differentiate cognitive development from other types such as moral, physical, or emotional development, which are studied in other psychological theories.
4. Recall that Piaget proposed stages like the sensorimotor, preoperational, concrete operational, and formal operational stages, all describing changes in cognitive abilities.
5. Conclude that the primary focus of Piaget's research was on cognitive development, as it explains how thinking evolves through distinct stages during childhood.