Managerial psychology is a sub-discipline of industrial and organizational psychology, which focuses on the efficacy of individuals, groups and organizations in the workplace. It's purpose is to specifically aid managers in gaining a better understanding of the psychological patterns common among individuals and groups within any given organisation. Managerial psychology can be used to predict and prevent harmful psychological patterns within the workplace and can also be implemented to control psychological patterns among individuals and groups in a way that will benefit the organisation long term. (Robbins, SP et al.2010).