A professor invites students who did poorly on the first test to attend a special review session before the second test. Most do better on the second test. What kind of research is this?

43. based on what you know about constitutional provisions regarding individual voting rights, which of the following is true? a the constitution places no restriction on the states' power to set voting qualifications. b. the constitution places eight federal restrictions on the states' power to set voting qualifications. c. the federal government cannot restrict the states' power to set voting qualifications except for matters of age and race. d. the constitution places five federal restrictions on the states' power to set voting qualifications.

What is the role of institutions in society - do they perform positive functions, or simply work in the interests of the powerful and against the powerless? (a related question here is why do our life chances vary by class, gender and ethnicity)

Though most presidents have claimed affiliation with a christian church, the only roman catholic president has been a) abraham lincoln. b) john f. kennedy. c) george washington. d) franklin d. roosevelt.