What is the dependent variable and the level of measurement of the dependent variable in a study in which you compare participants (matched for age) on how induced anxiety affects the speed at which they recognize words?

Which amendment removed the election of U.S. senators from the hands of state legislators and placed it in the hands of citizens?

a. the Sixteenth Amendment b. the Seventeenth Amendment c. the Eighteenth Amendment d. the Twentieth Amendment

A "free rider" is an individual who

A. shares in collective benefits and shares risk and cost. B. is part of an insurance policy. C. shares in the collective benefits without sharing the cost. D. is free to participate in the political process.