Kuraev GA, Pozharskaya EN. Developmental Psychology, 2002
The science of the mental development of a child - child psychology - was born as a branch of comparative psychology at the end of the 19th century. Currently, child psychology as a branch of knowledge includes two global sections - age psychology and developmental psychology.
Developmental psychology is a field of knowledge that focuses on the psychological characteristics of children of different ages. Developmental psychology is a sphere of knowledge containing information about the laws of the age-related transformation of the psychology of children. Developmental psychology and developmental psychology of children are areas of science that are inextricably linked.