A Visit to APA and description of psychology . Y Go to APA headquarters in Washington to find the answer to this question and to explore the ever-expanding world of psychology. Start here with their brochure opening and let APA help you understand the mission of psychologists and the nature of the science of psychology. Despite its youth, it is a broad discipline, essentially spanning subject matter from biology to sociology. Biology studies the structures and functions of living organisms.
Sociology examines how groups function in society.
As scientists, psychologists follow scientific methods, using careful observation, experimentation, and analysis. Psychologists conduct both basic and applied research, serve as consultants to communities and organizations, diagnose and treat people, and teach future psychologists and other types of students. They test intelligence and personality. They assess behavioral and mental function and well-being, stepping in to help where appropriate. They study how human beings relate to each other and also to machines, and they work to improve these relationships.