Each person's mental image of a city is stagnant

One limitation of both correlational and differential research is that

A) It is difficult to make accurate observations in each approach. B) There are often problems in determining causation. C) Statistical analyses are often difficult or impossible. D) The random assignment of participants produces potential confounding.

Even for those interested mainly in business, the study of public administration is important because

a. government is the single, largest customer of business. b. government has little impact on business. c. business is not regulated by government. d. the business climate is not affected by governmental decisions.