The correct answer is: Classical theory.
Classical theory is the first coherent theory of organization. It is based on the idea that organizations can be best understood by studying their structure and function. Classical theorists believe that organizations should be designed to be efficient and effective, and that they should be managed by a small group of experts.
Human relations theory is a theory of organization that emphasizes the importance of human factors in the workplace. Human relations theorists believe that employees are motivated by social and psychological needs, and that they should be treated with respect and dignity.
System approach theory is a theory of organization that views organizations as open systems that interact with their environment. System theorists believe that organizations should be designed to be flexible and adaptable, and that they should be able to respond to changes in their environment.
Scientific management is a theory of organization that emphasizes the importance of efficiency and productivity. Scientific management theorists believe that organizations can be best run by using scientific methods to study work and to design jobs.