Reinforcement theory states that an individual's behavior is determined by the consequences of their actions. In the workplace, managers can use positive and negative reinforcement, as well as punishment and extinction, to influence employee behavior according to this theory. Positive reinforcement involves rewarding desired behaviors, while negative reinforcement removes undesired consequences for wanted behaviors. Punishment decreases unwanted actions, and extinction reduces behaviors by withholding rewards. Applying these reinforcement strategies effectively can help build a productive organizational culture by motivating employees.