Which statement is true regarding the scope of developmental psychologists?

Developmental psychologists investigate the processes of change and stability in individuals throughout their entire lifespan. This includes studying various stages from infancy, childhood, and adolescence, all the way through adulthood and into older age. This comprehensive approach allows them to understand how cognitive, emotional, social, and physical development progresses and how these areas influence one another across different life stages.

The acknowledgment of adulthood and aging as significant periods of development illustrates the breadth of their focus and the complexity of developmental issues that can arise at any stage of life. This holistic perspective is essential in various applications, such as education, therapy, and understanding societal changes, making it clear that developmental psychologists have a far-reaching impact on practices that involve human growth and behavior.