Final answer:
Developmental psychologists study human growth and development focusing on physical, cognitive, and psychosocial factors across various life stages, influenced by genetic and environmental elements.
Step-by-step explanation:
Developmental psychologists focus on physical development, cognitive development, and psychosocial development factors that contribute to human development. These areas encompass growth and changes in the body and brain, learning and intelligence, and emotions and social relationships, respectively. Developmental psychology views human development as a lifelong scientific process across three distinct but interconnected domains.
The physical domain includes bodily growth and changes in the brain, senses, motor skills, as well as overall health and wellness. Cognitive development encompasses learning, attention, memory, language, thinking, reasoning, and creativity. Lastly, psychosocial development deals with emotions, personality, social interactions, and the formation of relationships.
Developmental psychologists study these domains to understand how individuals change and grow from conception to old age, influenced by a balance of genetic and environmental factors. This complex interplay shapes our behaviors, traits, and ultimately, who we become as a person.