The science of human development seeks to understand:

A) the meaning of life.
B) the accuracy of new theories.
C) the works of Freud,Piaget,and Erikson.
D) how and why people change over time.

Human Development

The multidisciplinary study of how people change and how they remain the same over time.

Piaget

Jean Piaget was a Swiss psychologist known for his pioneering work in child development, particularly his theory of cognitive development that describes how children construct a mental model of the world.