The document discusses various motivational theories that explain goal-directed behavior in the workplace, categorizing them into internal, process, and external theories. Key theories include Maslow’s hierarchy of needs, Alderfer's ERG theory, McClelland's need theory, and Herzberg's two-factor theory, each proposing different factors that drive motivation among individuals. Additionally, it covers the equity theory and expectancy theory, which emphasize the importance of perceived fairness and the relationship between effort, performance, and rewards.