Group Psychotherapy as a Specialty : An Inconvenient Truth Martyn Whittingham, Ph.D., Noelle L. Lefforge, Ph.D., ABPP, Cheri Marmarosh, Ph.D.
Group psychology and group psychotherapy (GPGP) are distinctive, effective practices that meet an important need. In 2018, the American Psychological Association recognized GPGP as a specialty,thus setting standards for education and training in the field.