Multiple Choice
A study in which neither the subjects participating in the research nor the scientists performing the research know which subjects are receiving the treatment and which are getting the placebo is known as a(n) _____ study.
A) double-blind
B) half-blind
C) confidential
D) crossover
E) observational
Correct Answer:

Verified
Correct Answer:
Verified
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Q25: Match each term with the appropriate definition.<br>-cause
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Q27: Match each term with the appropriate definition.<br>-placebo
Q28: Match each term with the appropriate definition.<br>-association<br>A)research
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Q33: Match each term with the appropriate definition.<br>-clinical
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