The divisions of psychology listed by the APA today gives a clear indication of the "diversity of the field".
The American Psychological Association (APA) is an expert association that speaks to clinicians in the United States. APA instructs the general population about brain research, behavioral science and psychological wellness. The American Psychological Association is the biggest scientific and expert association of therapists in the United States, with around 117,500 individuals including researchers, teachers, clinicians, advisors, and understudies.