Ethan, a 5-year-old with autism spectrum disorder, often rocks back and forth repetitively. He also gets upset if he cannot follow each step of his familiar routines. A possible source of repetitive or ritualistic behavior is .

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.