Question

•What is the definition of developmental psychology?

Answer 1

the development of human beings' cognitive, emotional, intellectual, and social capabilities and functioning over the course of the life span, from infancy through old age

Answer 2

Developmental Psychology deals with the study of how people act and change (in physical traits, character etc) over the span of their lives.

Step-by-step explanation:

Developmental psychology evolved mainly on infants and children analysing why and how they change with life's development.