There are several theories of motivation that can impact a manager's leadership style. Maslow's hierarchy of needs suggests that people are motivated to fulfill physiological, safety, belongingness, esteem, and self-actualization needs. Herzberg's two-factor theory finds that job satisfaction and dissatisfaction come from different factors, with personal growth becoming more important than hygiene factors like salary. While rewards can initially motivate, research shows they often undermine intrinsic motivation and encourage a narrow focus on the reward itself rather than broader goals. As a manager, it is better to establish a fair system with challenging work, a sense of community, and opportunities for contribution and decision-making rather than relying primarily on rewards and competition.