What is human development according to santrock?

Human development, according to Santrock, is the scientific study of the systematic processes of behavioral, emotional, and cognitive growth and change that occur throughout the human lifespan. It involves examining how individuals develop physically, mentally, and socially from conception to death, and how these changes impact their overall well-being and functioning. Santrock emphasizes the importance of understanding the various factors that influence human development, including genetics, environment, and culture.