Between 1960 and 2007, the number of official associations (interest groups) increased by about

It is useful for a research problem to be stated as precisely as possible because

a. specific questions are more likely to be proved correct. b. the more specific the question is, the easier it is to get statistical significance. c. a specific question allows the researcher to focus on only one variable at a time. d. specific questions help the researcher decide what techniques, participants, and measures to use.

The bureaucracy’s role in putting into action the laws that Congress has passed is known as ______.

a. implementation b. rulemaking c. advising d. representation