The Civil Service Reform Act of 1978 introduced ________ for the first time

Research designs in which there are more than one manipulated independent variable are called

A) independent-groups designs. B) low-constraint designs. C) correlated-groups designs. D) factorial designs.

Drawing congressional district lines within a state to enhance one party's control of the state legislature or the states representatives to Congress is known as

a. senatorial courtesy. b. logrolling. c. filibustering. d. partisan gerrymandering. e. none of the above.