Dr. Mo T. Vadar, a professor of psychology at a respected university, is planning a study of the factors that affect the motivation of workers. Dr. Vadar is concerned that the results of his experiments may be misleading because workers in an experimental group tend to behave differently when they know they are being studied. This concern shows that Dr. Vadar is aware of the _______.

Management of man power resources is human resource management. Promoting, branding and creating awareness of a products or services is marketing management.