Between 1965 and 1973, the percentage of americans living below the poverty line _____.

Burning the american flag as a gesture of protest is an example of _____.

Campus speech codes __________ but __________.

Grandparents, tall people, and undergraduates are all examples of ________.

In a __________, virtually all power goes to the national government.

In a republic, the _____ is/are in charge.

Age effects can be considered a direct measure of time and they can be assessed like other variables.

Trend analysis consists of a small number of individuals (about ten to twenty, say) who meet in a single location and discuss with a leader a topic or research stimulus such as a proposed campaign brochure.

What kind of research design would be most appropriate if you wanted to assess how a change in voter identification requirements in Georgia affected voter participation in the 2008 federal election more than two years after the election?

In a ______, measurements of the independent and dependent variables are taken at approximately the same time, and the researcher does not control or manipulate the independent variable, the assignment of subjects to treatment or control groups, or the conditions under which the independent variable is experienced.

Which of the following is an experimental design?