Which of the following psychologists is associated with cognitive development?

• A. Perry
• B. Piaget
• C. Skinner
• D. Watson

Answer: (B)

The association of cognitive development with the psychologist Piaget stems from his pioneering research in the field of developmental psychology. Piaget proposed a theory that outlines how children progress through distinct stages of cognitive development, which include the sensorimotor, preoperational, concrete operational, and formal operational stages. Each stage represents a different level of understanding and interaction with the world, emphasizing that cognitive development is a process that unfolds in a series of stages characterized by specific milestones in reasoning and problem-solving abilities.

His work highlights the idea that children are not simply smaller versions of adults; instead, they think differently at different ages. This notion fundamentally changed how we understand child development and education, encouraging educational practices that align with children's cognitive capabilities at various ages.

In contrast, the other psychologists mentioned focus on different aspects of psychology. Perry is known for his work on intellectual and ethical development, particularly in college students. Skinner is famous for his research on behaviorism and operant conditioning, emphasizing the role of reinforcement in learning. Watson is also associated with behaviorism, focusing on observable behavior rather than internal cognitive processes. Therefore, Piaget's specific emphasis on cognitive development distinguishes him as the key figure among the choices provided.