Divided government has helped to increase the importance of fiscal policy as a tool for managing the economy

The pretest-posttest, natural control-group design differs from an experimental design in that

A) participants are not randomly assigned to groups. B) it is more natural and therefore more valid. C) it does not control for history and instrumentation. D) it does not control for history and regression to the mean.

Which of the following best describes the nature of the second transformation of terrorist groups within the past two decades?

a. from groups operating under government control to radical groups operating independently of government control b. from groups trained primarily in the Middle East to groups trained primarily in Europe and America c. from highly centralized groups under the direction of a single leader to independent agents linked by the Internet d. from groups operating under government control to independent agents linked by the Internet