There are two main sources of motivation for individuals: intrinsic motivation and extrinsic motivation. Understanding both sources of human motivation is essential to effectively manage organizations. As a student and/or an employee, which source of motivation do you think has the most impact on your behavior, effort, and persistence to achieve goals? Why? Several theories have been developed by psychologists to explain human motivation, including Expectancy Theory, Maslow's Hierarchy of Needs, Alderfer's ERG Theory, Herzberg's Two-Factor Theory, Equity Theory, and Goal-Setting Theory. Which theory do you think applies to you the most to explain your own motivation as a student and/or an employee? How would rank these 6 theories from (1) most relevant to (6) least relevant to explain your own motivation as a student and/or an employee? Be sure to explain your answers. As a manager, which theory would you use to increase employee motivation? Why?