In order to obtain a random yet representative sample with minimal cost, many pollsters use which of the following tools?

Which of these may be said to support state-centered federalism?

a. coercive federalism. b. centralized federalism. c. federal mandates. d. devolution.

A local government is trying to decide whether to build a dam for flood protection. It evaluates the expense of the project. It also determines the positive gains that will result from the project. The policymakers in the local government are using what tool?

A. decision analysis B. garbage can analysis C. spillover analysis D. cost-benefit analysis