The document discusses different theories of management including trial and error learning, conventional theory, scientific theory, administrative theory, and bureaucratic theory. Trial and error learning suggests people learn from mistakes over time through experience. Conventional theory relies on traditions passed down through generations without new experiences. Scientific theory aims to improve productivity and was founded by Fredrick Winslow Taylor. Administrative theory defined authority and was founded by Henri Fayol. Bureaucratic theory provides a rational system for organizing human activity and was founded by Max Weber.