Final answer:
The Center for Defense Information, the Children's Defense Fund, and the Economic Policy Institute are examples of policy advocacy groups that influence policy outcomes in government.
Step-by-step explanation:
The Center for Defense Information, the Children's Defense Fund, and the Economic Policy Institute are examples of policy advocacy groups that form to influence policy outcomes in government. These groups lobby the government, educate voters, and provide assessments of policy options. They aim to shape policies related to defense and economics.