Representative democracy frees citizens from the everyday demands of policy making

Correlational research is useful because

A) it allows us to predict the value of one variable from knowing the value of another. B) it establishes causal relationships. C) it can be applied to all research situations. D) it does not require constrained procedures for measurement.

The purpose of the literacy tests that were used in the southern states after 1870 was to

a. keep schoolteachers employed. b. keep illegal aliens from voting. c. void illegally-cast ballots. d. ensure that only well-informed people voted e. discourage African Americans from voting.