Question

who can work as an expert in the field of clinical psychology​

Answer 1

Answer:

psychologists is the right answer

Answer 2

You will need a 3-year Taught Doctorate in Clinical Psychology to gain eligibility to be registered by the HPC (Health Professions Council) enabling you to become (and use the protected title) Clinical Psychologist, and to be eligible to be registered as a Chartered Psychologist (C Psychol) with the BPS.