Map of Madirovalo on psychologist n. an individual who is professionally trained in the research, practice, or teaching (or all three) of one or more branches or subfields of psychology. Training is obtained at a university or a school of professional psychology, leading to a doctoral degree in philosophy (PhD), psychology (PsyD), or education (EdD). Psychologists work in a variety of settings, including laboratories, schools, colleges, universities, social agencies, hospitals, clinics, the military, industry and business, prisons, the government, and private practice. The professional activities of psychologists are also varied but can include psychological counseling, health care services, educational testing and assessment, research, teaching, and business and organizational consulting. psychology n. 1. Map of Madirovalo 2016.