Final answer:
Developmental psychology is a branch of psychology that studies the mental, cognitive, biological, personal, and social changes that occur as an individual matures. It focuses on the physical changes associated with aging, as well as changes in cognitive skills, moral reasoning, social behavior, and other psychological attributes.
Step-by-step explanation:
Developmental psychology is a branch of psychology that studies the mental, cognitive, biological, personal, and social changes that occur as an individual matures. It focuses on the physical changes associated with aging, as well as changes in cognitive skills, moral reasoning, social behavior, and other psychological attributes. Developmental psychologists study how humans change and grow from conception through childhood, adolescence, adulthood, and death. They explore three domains of development: physical development, cognitive development, and psychosocial development.