The most useful technique to minimize the effects of experimenter bias on the outcome of an experiment is to
A) conduct a double-blind experiment.
B) discuss thoroughly the expected findings with those in charge of data collection.
C) use a variety of more subjective measuring instruments.
D) let the experimenter in charge of data collection have more leeway in choosing procedures for administering the treatments.

Question

Quizplus · Accepted Answer

Conducting a double-blind experiment is the most effective technique to minimize the effects of experimenter bias. In a double-blind experiment, neither the participants nor the researchers administering the treatments know which group is receiving which treatment. This helps in reducing the chances of biased results.

The Most Useful Technique to Minimize the Effects of Experimenter