Researchers have developed a new intelligence (IQ) test. The participants taking the IQ test get very different scores each time they take it. What is there a problem with based on the information in this case? A. Reliability
B. Control Variable
C. Reliability
D. All of the above

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.

It all depends on the individual