The study of cognitive development includes which of the following areas?

The study of cognitive development primarily focuses on how individuals learn, process information, and develop thinking and reasoning abilities over time. Cognitive development encompasses areas such as problem-solving skills, memory, attention, and language acquisition, which are crucial for understanding how individuals perceive and interact with the world around them. This branch of psychology investigates the changes in mental processes and capabilities across different stages of life, from infancy through adulthood.

While physical growth, emotional expression, and social skills are significant aspects of human development, they are typically associated with other domains such as physical development, emotional development, and social development, respectively. These areas do not fall under the cognitive domain, which is specifically concerned with mental functions and processes related to knowledge acquisition and application.