Which best depicts john b. watson's belief about studying human behavior?

He believe that only visible behavior can be measured and understood. He believed in a behavioral approach to psychology as he focused on an organism's visible interactions with the environment, not mental processes. Strictly behavioral!!

An informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.