In an experiment designed to study the effectiveness of a new drug, research participants who receive a placebo are participating in the condition.

Which of the following did the founding fathers see as a benefit of the federal structure (federalism) of government? a.) all power is concentrated in the national government. b.) the power is divided between national and state governments. c.) all the power is concentrated in the state and local governments. d.) the power is divided between the people and the government

Atreatment for stuttering in which the person is asked to speak in a singsong fashion, usually with the aid of a metronome is

The american public was excited by the invention of the railroad system. true false