Industrial and Organizational Psychology (I/O Psychology) is a field of psychology that focuses on the study of workplace behavior and the application of psychological principles to improve the performance of individuals, teams, and organizations. It is a field of psychology that applies psychological theories and principles to organizations and the workplace. I/O psychologists are concerned with the study of individual and group behavior in the workplace, as well as the design and implementation of organizational policies and procedures. They are also involved in the development of training and development programs, the assessment of employee performance, and the evaluation of organizational effectiveness.