If a researcher is worried about experimenter bias during the interaction between experimenter and participant, _________ could totally control for this bias by removing the experimenter from interaction with the participant completely

The Supreme Court's rulings on the question of minority hiring quotas have been 

A. extremely fair B. extremely unfair C. extremely inconsistent D. extremely consistent E. None of these are correct.

Which of the following is the most noticeable effect of NAFTA on Mexico’s economy?

A. increased equality B. shift toward importing more products C. shift toward exporting more products D. monetary deflation