This document discusses theories of motivation. It describes Maslow's hierarchy of needs theory which states that people are motivated to fulfill basic physiological needs, safety needs, social needs, esteem needs, and self-actualization needs. Herzberg's two-factor theory is also described, distinguishing between hygiene factors like salary and supervision, and motivational factors like achievement and responsibility. The document also discusses reinforcement theories, explaining how behaviors can be strengthened through positive reinforcement or avoidance learning, and weakened through punishment or extinction.