During a scientific study, 50 subjects received vitamin e pills and 50 subjects received sugar pills. None of the subjects or investigators knew what was contained in the pills. This type of study is a
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Learn vocabulary, terms, and more with flashcards, games, and other study ... to other female students at the college would be a type of _____ study. double-blind study. During a scientific study, 50 subjects received vitamin E pills and 50 subjects ... None of the subjects or investigators knew what was contained in the pills.
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