Dr.Mentor is conducting an experiment examining the effects of cell phone conversations on reaction times while driving a car.Each participant while either conversing on a cell phone or not,maneuvers a driving course on a simulator.This simulated drive is videotaped.The research assistant hired to do the coding of the video tapes does not believe cell phone use should be banned while driving a motor vehicle and tends to err in the coding of the reaction times in a way that favours this belief.This experimenter expectancy effect could be controlled for with:

Question

Quizplus · Accepted Answer

The double-blind procedure is a method of controlling for experimenter expectancy effects by keeping both the participants and the experimenter in the dark as to which condition (in this case, cell phone use or no cell phone use) each participant has been assigned to. This way, the experimenter's biases cannot consciously or unconsciously influence the coding of the reaction times. Therefore, the double-blind procedure would be the best choice to control for the experimenter expectancy effect in this experiment.

DrMentor Is Conducting an Experiment Examining the Effects of Cell