Psychology is the scientific study of mind and behavior. 

psychology topics

  1. cognitive psychology
  2. developmental psychology
  3. social psychology
  4. personality psychology
  5. clinical psychology

Sociology is the scientific study of human society and social interaction

key concepts in sociology

1.Socialization

2. culture

3.Social structure

4.Social inequality

5. Social change

Educational psychology is a field of study that investigates how people learn , teach and interact in educational settings.

It draws on principles from psychology, sociology, and other related disciplines  to understand and improve teaching and learning processes