Final answer:
The human relations movement is one of the phases in the development of the behavioral viewpoint in management.
Step-by-step explanation:
The correct answer is 4) Human relations movement. The human relations movement is one of the phases in the development of the behavioral viewpoint in management. This movement emphasized the importance of understanding and addressing the social and psychological needs of employees in the workplace. It focused on creating positive relationships between managers and employees, promoting teamwork, and enhancing job satisfaction and productivity.