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OpenStudy (anonymous):
In double-blind studies neither the test subject or the researcher knows who was given the drug and who was given the control. Why are these studies effective for testing a drug that may elevate mood and relieve feelings of depression? Since there are two symptoms that are affected, a double-blind study is required. Double-blind studies are ways to ensure that only the researcher can figure out who is getting the effective drug. Double-blind studies are the most economical way to gather results from testing on humans. The patients and researchers are not given this information so they cann
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