This is similar to the field of science. Just as science includes several branches, such as natural sciences, physical sciences, or social sciences, psychology also includes several branches. There is clinical psychology, forensic psychology, engineering psychology, sports psychology, and countless other types. Psychology is a very broad field that includes numerous specialty areas, including organizational psychology. Organizational psychology is an interdisciplinary field with influences from several areas including economics, sociology, political science and even psychology. Psychology is the study of human behavior, and organizational psychology is simply an extension of that: the study of human behavior in the workplace. Since both psychology and organizational psychology focus on human behavior, organizational psychology must be considered psychology. Work attitudes, stress, employee performance, work motivation, absenteeism are all undoubtedly part of human behavior (therefore part of psychology) and these are in fact some of the main concerns of organizational psychology. One of the main tasks of organizational psychology is to study and understand how the workplace influences human behavior and vice versa. Organizational psychology is actually psychology because organizational psychologists do their work and