Which of the following best describes the focus of developmental psychology in the context of AP Psychology Unit 2?

• A. The analysis of how neurotransmitters influence behavior in the brain
• B. The examination of how individuals perceive and interpret sensory information
• C. The investigation of how psychological disorders are diagnosed and treated
• D. The study of how people change physically, cognitively, and socially throughout the lifespan

Answer: (D)

Verified step by step guidance

1. Identify the key focus of developmental psychology, which is the study of changes that occur in individuals over time.
2. Understand that these changes include physical growth, cognitive development (how thinking and reasoning evolve), and social development (how relationships and social understanding change).
3. Recognize that developmental psychology covers the entire lifespan, from infancy through old age, rather than focusing on a single stage.
4. Compare the given options to see which one aligns with this broad study of change across the lifespan.
5. Conclude that the option describing the study of physical, cognitive, and social changes throughout the lifespan best captures the essence of developmental psychology.