There are ten branches of Psychology not two.

Abnormal Psychology;

Behavioral Psychology;

Clinical Psychology;

Cognitive Psychology;

Community Psychology;

Developmental Psychology;

Educational Psychology;

Evolutionary Psychology;

Legal Psychology; and

Personality Psychology.

Patricia H. Miller has written:

'Theories of developmental psychology' -- subject(s): Human Development, Philosophy, Psychological Theory, Developmental psychology, Child psychology

'Theories of developmental psychology' -- subject(s): Child psychology, Developmental psychology, Philosophy

Evolutionary Psychology - journal - was created in 2003.

Evolutionary developmental biology

developmental psychology just study the mind and how to developed the cognitive, developmental stages reaches into emotional and social development.