Dr.Hugo designs an experiment to test the effectiveness of a new antidepressant.Half of the participants will receive the drug and half will receive a sugar pill,but neither the participants nor the researchers who administer the drug will know who is receiving the drug and who is receiving the sugar pill.What has Dr.Hugo designed
A) a double-blind research study
B) an unethical research procedure
C) a study that will minimize self-report bias
D) an experimental study with two confounded variables
Correct Answer:
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