Which subfield of psychology focuses primarily on educational, social, and career adjustment problems?

a. cognitive psychology
b. clinical psychology
c. experimental psychology
d. counseling psychology

Counseling Psychology

Explanation:

Counselling psychology, a field within psychology emphases on enabling social and personal functioning across the life span of people. It pays special attention to the social, emotional, vocational, school and physical health-related concerns people may encounter at different stages in their lives.  

Counselling psychologists, with specialized knowledge, help address the problems of people around decisions about work and career and how to deal with school-work-retirement transitions.