A researcher is concerned about whether his eye color measurement device will be consistent in its measure of eye color. The researcher is concerned about

The so-called "yellow dog" contract, in which employers required workers not to join a union as a condition of employment, was a result of

a) inadequate information. b) externalities. c) bargaining power disparities. d) the free rider problem.

Unlike civil liberties, civil rights require ______.

a. positive action b. negative action c. positive accountability d. negative accountability