This document summarizes several theories of motivation and how they can be applied in workplace settings. It discusses Maslow's hierarchy of needs, Herzberg's two-factor theory, expectancy theory, goal-setting theory, and various techniques for motivating employees including job enrichment, participation programs, quality of worklife programs, and reward systems. The key takeaways are that job satisfaction and performance are influenced by both intrinsic and extrinsic factors, and managers can enhance motivation by understanding employee needs and designing enriched jobs and goals.