This document discusses motivation in the context of an MBA course on human resource management. It defines motivation and differentiates between intrinsic and extrinsic motivation. It presents models of motivation including needs theories, expectancy theory, and reinforcement theories. It also summarizes several prominent motivation theories, including Maslow's hierarchy of needs, Herzberg's two-factor theory, McClelland's achievement theory, Vroom's expectancy theory, and Skinner's behavior modification theory.