Psychology is the study of human and mental processes and behavior. Psychology is both a biological and social science, a scholarly discipline, and a profession. Psychologists use many different methods and procedures to study mental processes and behavior and focus on a variety of problems. This means that Psychology is a very diverse discipline, ranging from the neuroscientist studying brain behavior to the industrial/organizational psychologist studying the behavior of organizations. Psychologists formulate and test theories, using research and statistical methods, in an effort to understand, predict, and influence behavior. As a profession, psychology is dedicated to solving human societal problems.