Clinical psychology is an integration of clinical theory knowledge and science for purposes of understanding and relieving dysfunction.

Central to its practice psychological assessment and psychotherapy…Clinical psychologists engage in research, teaching, consultation and forensic testimony.

Clinical psychology is regulated as a health care profession. Clinical psychology is often considered to have begun in 1896 with the opening of the first psychological clinic at the University of Pennsylvania by Lightner Witmer.

The study (clinical psychology) in early 1920s was focused on psychological assessment. But in 1940s after the World War II, there  resulted need for increase in the number of trained clinicians.

There are two educational models about clinical psychology, that is Ph.D. scientist–practitioner model and Psy.D. practitioner–scholar model. The Ph.D. scientist–practitioner model is requiring a doctoral dissertation and therefore research as well as clinical expertise. Clinical psychologists provide psychotherapy, psychological testing, and diagnosis of mental illness. Ends